Home / 1,661,491.89-2,292,802.13-916,447.27

Finding the Fourth Proportional to 1,661,491.89, 2,292,802.13 and 916,447.27

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Solution

The fourth proportional to 1,661,491.89, 2,292,802.13 and 916,447.27 is: 1,264,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,491.89 : 2,292,802.13 = 916,447.27 : x
  2. Step 2: Convert to fraction form
    1,661,491.89/2,292,802.13 = 916,447.27/x
  3. Step 3: Cross multiply
    1,661,491.89x = 2,292,802.13 × 916,447.27
  4. Step 4: Simplify right side
    1,661,491.89x = 2,101,232,250,397.57
  5. Step 5: Solve for x
    x = 2,101,232,250,397.57/1,661,491.89
  6. Step 6: Final answer
    x = 1,264,665.97

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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.