Home / 1,998,252.65-2,996,926.90-917,726.42

Finding the Fourth Proportional to 1,998,252.65, 2,996,926.90 and 917,726.42

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Solution

The fourth proportional to 1,998,252.65, 2,996,926.90 and 917,726.42 is: 1,376,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,252.65 : 2,996,926.90 = 917,726.42 : x
  2. Step 2: Convert to fraction form
    1,998,252.65/2,996,926.90 = 917,726.42/x
  3. Step 3: Cross multiply
    1,998,252.65x = 2,996,926.90 × 917,726.42
  4. Step 4: Simplify right side
    1,998,252.65x = 2,750,359,000,136.70
  5. Step 5: Solve for x
    x = 2,750,359,000,136.70/1,998,252.65
  6. Step 6: Final answer
    x = 1,376,382.01

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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.