Home / 10,617,780-15,926,728.32-2,639,604

Finding the Fourth Proportional to 10,617,780, 15,926,728.32 and 2,639,604

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Solution

The fourth proportional to 10,617,780, 15,926,728.32 and 2,639,604 is: 3,959,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617,780 : 15,926,728.32 = 2,639,604 : x
  2. Step 2: Convert to fraction form
    10,617,780/15,926,728.32 = 2,639,604/x
  3. Step 3: Cross multiply
    10,617,780x = 15,926,728.32 × 2,639,604
  4. Step 4: Simplify right side
    10,617,780x = 42,040,255,780,385.28
  5. Step 5: Solve for x
    x = 42,040,255,780,385.28/10,617,780
  6. Step 6: Final answer
    x = 3,959,420.50

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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.