Home / 1,840,545.47-2,760,965.82-642,441.26

Finding the Fourth Proportional to 1,840,545.47, 2,760,965.82 and 642,441.26

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Solution

The fourth proportional to 1,840,545.47, 2,760,965.82 and 642,441.26 is: 963,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,545.47 : 2,760,965.82 = 642,441.26 : x
  2. Step 2: Convert to fraction form
    1,840,545.47/2,760,965.82 = 642,441.26/x
  3. Step 3: Cross multiply
    1,840,545.47x = 2,760,965.82 × 642,441.26
  4. Step 4: Simplify right side
    1,840,545.47x = 1,773,758,346,412.90
  5. Step 5: Solve for x
    x = 1,773,758,346,412.90/1,840,545.47
  6. Step 6: Final answer
    x = 963,713.41

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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.