Home / 3,677,129.12-5,515,694.76-1,152,981.20

Finding the Fourth Proportional to 3,677,129.12, 5,515,694.76 and 1,152,981.20

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Solution

The fourth proportional to 3,677,129.12, 5,515,694.76 and 1,152,981.20 is: 1,729,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,129.12 : 5,515,694.76 = 1,152,981.20 : x
  2. Step 2: Convert to fraction form
    3,677,129.12/5,515,694.76 = 1,152,981.20/x
  3. Step 3: Cross multiply
    3,677,129.12x = 5,515,694.76 × 1,152,981.20
  4. Step 4: Simplify right side
    3,677,129.12x = 6,359,492,363,218.51
  5. Step 5: Solve for x
    x = 6,359,492,363,218.51/3,677,129.12
  6. Step 6: Final answer
    x = 1,729,472.14

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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.