Home / 2,385,830.13-3,580,319.82-1,264,686.45

Finding the Fourth Proportional to 2,385,830.13, 3,580,319.82 and 1,264,686.45

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Solution

The fourth proportional to 2,385,830.13, 3,580,319.82 and 1,264,686.45 is: 1,897,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,830.13 : 3,580,319.82 = 1,264,686.45 : x
  2. Step 2: Convert to fraction form
    2,385,830.13/3,580,319.82 = 1,264,686.45/x
  3. Step 3: Cross multiply
    2,385,830.13x = 3,580,319.82 × 1,264,686.45
  4. Step 4: Simplify right side
    2,385,830.13x = 4,527,981,963,020.44
  5. Step 5: Solve for x
    x = 4,527,981,963,020.44/2,385,830.13
  6. Step 6: Final answer
    x = 1,897,864.36

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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.