Home / 1,788,126.28-2,468,154.57-1,215,498.61

Finding the Fourth Proportional to 1,788,126.28, 2,468,154.57 and 1,215,498.61

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Solution

The fourth proportional to 1,788,126.28, 2,468,154.57 and 1,215,498.61 is: 1,677,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,126.28 : 2,468,154.57 = 1,215,498.61 : x
  2. Step 2: Convert to fraction form
    1,788,126.28/2,468,154.57 = 1,215,498.61/x
  3. Step 3: Cross multiply
    1,788,126.28x = 2,468,154.57 × 1,215,498.61
  4. Step 4: Simplify right side
    1,788,126.28x = 3,000,038,437,162.44
  5. Step 5: Solve for x
    x = 3,000,038,437,162.44/1,788,126.28
  6. Step 6: Final answer
    x = 1,677,755.35

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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.