Home / 5,639,238.90-7,781,940.95-3,060,864.72

Finding the Fourth Proportional to 5,639,238.90, 7,781,940.95 and 3,060,864.72

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Solution

The fourth proportional to 5,639,238.90, 7,781,940.95 and 3,060,864.72 is: 4,223,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,238.90 : 7,781,940.95 = 3,060,864.72 : x
  2. Step 2: Convert to fraction form
    5,639,238.90/7,781,940.95 = 3,060,864.72/x
  3. Step 3: Cross multiply
    5,639,238.90x = 7,781,940.95 × 3,060,864.72
  4. Step 4: Simplify right side
    5,639,238.90x = 23,819,468,491,673.96
  5. Step 5: Solve for x
    x = 23,819,468,491,673.96/5,639,238.90
  6. Step 6: Final answer
    x = 4,223,880.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.