Home / 1,817,491.53-2,508,105.77-990,572.53

Finding the Fourth Proportional to 1,817,491.53, 2,508,105.77 and 990,572.53

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Solution

The fourth proportional to 1,817,491.53, 2,508,105.77 and 990,572.53 is: 1,366,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,491.53 : 2,508,105.77 = 990,572.53 : x
  2. Step 2: Convert to fraction form
    1,817,491.53/2,508,105.77 = 990,572.53/x
  3. Step 3: Cross multiply
    1,817,491.53x = 2,508,105.77 × 990,572.53
  4. Step 4: Simplify right side
    1,817,491.53x = 2,484,460,681,890.33
  5. Step 5: Solve for x
    x = 2,484,460,681,890.33/1,817,491.53
  6. Step 6: Final answer
    x = 1,366,972.36

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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.