Home / 5,560,421.40-8,340,632.10-3,408,085.35

Finding the Fourth Proportional to 5,560,421.40, 8,340,632.10 and 3,408,085.35

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Solution

The fourth proportional to 5,560,421.40, 8,340,632.10 and 3,408,085.35 is: 5,112,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560,421.40 : 8,340,632.10 = 3,408,085.35 : x
  2. Step 2: Convert to fraction form
    5,560,421.40/8,340,632.10 = 3,408,085.35/x
  3. Step 3: Cross multiply
    5,560,421.40x = 8,340,632.10 × 3,408,085.35
  4. Step 4: Simplify right side
    5,560,421.40x = 28,425,586,069,749.73
  5. Step 5: Solve for x
    x = 28,425,586,069,749.73/5,560,421.40
  6. Step 6: Final answer
    x = 5,112,128.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.