Home / 1,609,761.49-2,220,545.86-1,005,099.73

Finding the Fourth Proportional to 1,609,761.49, 2,220,545.86 and 1,005,099.73

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Solution

The fourth proportional to 1,609,761.49, 2,220,545.86 and 1,005,099.73 is: 1,386,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,761.49 : 2,220,545.86 = 1,005,099.73 : x
  2. Step 2: Convert to fraction form
    1,609,761.49/2,220,545.86 = 1,005,099.73/x
  3. Step 3: Cross multiply
    1,609,761.49x = 2,220,545.86 × 1,005,099.73
  4. Step 4: Simplify right side
    1,609,761.49x = 2,231,870,044,338.62
  5. Step 5: Solve for x
    x = 2,231,870,044,338.62/1,609,761.49
  6. Step 6: Final answer
    x = 1,386,460.08

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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.