Home / 1,549,545.94-2,138,627.19-1,291,012.89

Finding the Fourth Proportional to 1,549,545.94, 2,138,627.19 and 1,291,012.89

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Solution

The fourth proportional to 1,549,545.94, 2,138,627.19 and 1,291,012.89 is: 1,781,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,545.94 : 2,138,627.19 = 1,291,012.89 : x
  2. Step 2: Convert to fraction form
    1,549,545.94/2,138,627.19 = 1,291,012.89/x
  3. Step 3: Cross multiply
    1,549,545.94x = 2,138,627.19 × 1,291,012.89
  4. Step 4: Simplify right side
    1,549,545.94x = 2,760,995,269,194.48
  5. Step 5: Solve for x
    x = 2,760,995,269,194.48/1,549,545.94
  6. Step 6: Final answer
    x = 1,781,809.24

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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.