Home / 2,389,397.90-3,578,195.59-1,780,726.64

Finding the Fourth Proportional to 2,389,397.90, 3,578,195.59 and 1,780,726.64

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Solution

The fourth proportional to 2,389,397.90, 3,578,195.59 and 1,780,726.64 is: 2,666,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,397.90 : 3,578,195.59 = 1,780,726.64 : x
  2. Step 2: Convert to fraction form
    2,389,397.90/3,578,195.59 = 1,780,726.64/x
  3. Step 3: Cross multiply
    2,389,397.90x = 3,578,195.59 × 1,780,726.64
  4. Step 4: Simplify right side
    2,389,397.90x = 6,371,788,187,900.72
  5. Step 5: Solve for x
    x = 6,371,788,187,900.72/2,389,397.90
  6. Step 6: Final answer
    x = 2,666,691.97

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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.