Home / 1,997,013.60-2,755,556.40-1,137,590.40

Finding the Fourth Proportional to 1,997,013.60, 2,755,556.40 and 1,137,590.40

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Solution

The fourth proportional to 1,997,013.60, 2,755,556.40 and 1,137,590.40 is: 1,569,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,013.60 : 2,755,556.40 = 1,137,590.40 : x
  2. Step 2: Convert to fraction form
    1,997,013.60/2,755,556.40 = 1,137,590.40/x
  3. Step 3: Cross multiply
    1,997,013.60x = 2,755,556.40 × 1,137,590.40
  4. Step 4: Simplify right side
    1,997,013.60x = 3,134,694,507,298.56
  5. Step 5: Solve for x
    x = 3,134,694,507,298.56/1,997,013.60
  6. Step 6: Final answer
    x = 1,569,691.12

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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.