Home / 1,561,255.61-2,153,343.97-1,343,834.33

Finding the Fourth Proportional to 1,561,255.61, 2,153,343.97 and 1,343,834.33

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Solution

The fourth proportional to 1,561,255.61, 2,153,343.97 and 1,343,834.33 is: 1,853,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,255.61 : 2,153,343.97 = 1,343,834.33 : x
  2. Step 2: Convert to fraction form
    1,561,255.61/2,153,343.97 = 1,343,834.33/x
  3. Step 3: Cross multiply
    1,561,255.61x = 2,153,343.97 × 1,343,834.33
  4. Step 4: Simplify right side
    1,561,255.61x = 2,893,737,537,058.18
  5. Step 5: Solve for x
    x = 2,893,737,537,058.18/1,561,255.61
  6. Step 6: Final answer
    x = 1,853,468.14

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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.