Home / 3,654,005.90-5,478,517.72-1,853,417.36

Finding the Fourth Proportional to 3,654,005.90, 5,478,517.72 and 1,853,417.36

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Solution

The fourth proportional to 3,654,005.90, 5,478,517.72 and 1,853,417.36 is: 2,778,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,005.90 : 5,478,517.72 = 1,853,417.36 : x
  2. Step 2: Convert to fraction form
    3,654,005.90/5,478,517.72 = 1,853,417.36/x
  3. Step 3: Cross multiply
    3,654,005.90x = 5,478,517.72 × 1,853,417.36
  4. Step 4: Simplify right side
    3,654,005.90x = 10,153,979,865,328.69
  5. Step 5: Solve for x
    x = 10,153,979,865,328.69/3,654,005.90
  6. Step 6: Final answer
    x = 2,778,862.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.