Home / 1,781,668.71-2,458,124.42-1,007,224.47

Finding the Fourth Proportional to 1,781,668.71, 2,458,124.42 and 1,007,224.47

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Solution

The fourth proportional to 1,781,668.71, 2,458,124.42 and 1,007,224.47 is: 1,389,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,668.71 : 2,458,124.42 = 1,007,224.47 : x
  2. Step 2: Convert to fraction form
    1,781,668.71/2,458,124.42 = 1,007,224.47/x
  3. Step 3: Cross multiply
    1,781,668.71x = 2,458,124.42 × 1,007,224.47
  4. Step 4: Simplify right side
    1,781,668.71x = 2,475,883,061,092.44
  5. Step 5: Solve for x
    x = 2,475,883,061,092.44/1,781,668.71
  6. Step 6: Final answer
    x = 1,389,642.78

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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.