Home / 1,755,142.90-2,632,714.35-1,489,422.40

Finding the Fourth Proportional to 1,755,142.90, 2,632,714.35 and 1,489,422.40

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Solution

The fourth proportional to 1,755,142.90, 2,632,714.35 and 1,489,422.40 is: 2,234,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,142.90 : 2,632,714.35 = 1,489,422.40 : x
  2. Step 2: Convert to fraction form
    1,755,142.90/2,632,714.35 = 1,489,422.40/x
  3. Step 3: Cross multiply
    1,755,142.90x = 2,632,714.35 × 1,489,422.40
  4. Step 4: Simplify right side
    1,755,142.90x = 3,921,223,725,691.44
  5. Step 5: Solve for x
    x = 3,921,223,725,691.44/1,755,142.90
  6. Step 6: Final answer
    x = 2,234,133.60

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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.