Home / 5,870,406.60-8,805,609.90-5,408,512.20

Finding the Fourth Proportional to 5,870,406.60, 8,805,609.90 and 5,408,512.20

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Solution

The fourth proportional to 5,870,406.60, 8,805,609.90 and 5,408,512.20 is: 8,112,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870,406.60 : 8,805,609.90 = 5,408,512.20 : x
  2. Step 2: Convert to fraction form
    5,870,406.60/8,805,609.90 = 5,408,512.20/x
  3. Step 3: Cross multiply
    5,870,406.60x = 8,805,609.90 × 5,408,512.20
  4. Step 4: Simplify right side
    5,870,406.60x = 47,625,248,572,590.78
  5. Step 5: Solve for x
    x = 47,625,248,572,590.78/5,870,406.60
  6. Step 6: Final answer
    x = 8,112,768.30

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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.