Home / 5,337,680.40-8,006,520.60-2,642,421.60

Finding the Fourth Proportional to 5,337,680.40, 8,006,520.60 and 2,642,421.60

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Solution

The fourth proportional to 5,337,680.40, 8,006,520.60 and 2,642,421.60 is: 3,963,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337,680.40 : 8,006,520.60 = 2,642,421.60 : x
  2. Step 2: Convert to fraction form
    5,337,680.40/8,006,520.60 = 2,642,421.60/x
  3. Step 3: Cross multiply
    5,337,680.40x = 8,006,520.60 × 2,642,421.60
  4. Step 4: Simplify right side
    5,337,680.40x = 21,156,602,974,284.96
  5. Step 5: Solve for x
    x = 21,156,602,974,284.96/5,337,680.40
  6. Step 6: Final answer
    x = 3,963,632.40

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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.