Home / 5,526,420.20-8,289,630.30-3,134,935.70

Finding the Fourth Proportional to 5,526,420.20, 8,289,630.30 and 3,134,935.70

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Solution

The fourth proportional to 5,526,420.20, 8,289,630.30 and 3,134,935.70 is: 4,702,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526,420.20 : 8,289,630.30 = 3,134,935.70 : x
  2. Step 2: Convert to fraction form
    5,526,420.20/8,289,630.30 = 3,134,935.70/x
  3. Step 3: Cross multiply
    5,526,420.20x = 8,289,630.30 × 3,134,935.70
  4. Step 4: Simplify right side
    5,526,420.20x = 25,987,457,967,271.71
  5. Step 5: Solve for x
    x = 25,987,457,967,271.71/5,526,420.20
  6. Step 6: Final answer
    x = 4,702,403.55

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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.