Home / 1,616,981.40-2,425,131.90-817,511.40

Finding the Fourth Proportional to 1,616,981.40, 2,425,131.90 and 817,511.40

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Solution

The fourth proportional to 1,616,981.40, 2,425,131.90 and 817,511.40 is: 1,226,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,981.40 : 2,425,131.90 = 817,511.40 : x
  2. Step 2: Convert to fraction form
    1,616,981.40/2,425,131.90 = 817,511.40/x
  3. Step 3: Cross multiply
    1,616,981.40x = 2,425,131.90 × 817,511.40
  4. Step 4: Simplify right side
    1,616,981.40x = 1,982,572,974,753.66
  5. Step 5: Solve for x
    x = 1,982,572,974,753.66/1,616,981.40
  6. Step 6: Final answer
    x = 1,226,095.10

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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.