Home / 3,812,632.10-5,718,948.15-1,288,250.90

Finding the Fourth Proportional to 3,812,632.10, 5,718,948.15 and 1,288,250.90

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Solution

The fourth proportional to 3,812,632.10, 5,718,948.15 and 1,288,250.90 is: 1,932,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,632.10 : 5,718,948.15 = 1,288,250.90 : x
  2. Step 2: Convert to fraction form
    3,812,632.10/5,718,948.15 = 1,288,250.90/x
  3. Step 3: Cross multiply
    3,812,632.10x = 5,718,948.15 × 1,288,250.90
  4. Step 4: Simplify right side
    3,812,632.10x = 7,367,440,101,290.84
  5. Step 5: Solve for x
    x = 7,367,440,101,290.84/3,812,632.10
  6. Step 6: Final answer
    x = 1,932,376.35

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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.