Home / 2,488,180.47-3,431,920.30-1,660,836.90

Finding the Fourth Proportional to 2,488,180.47, 3,431,920.30 and 1,660,836.90

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Solution

The fourth proportional to 2,488,180.47, 3,431,920.30 and 1,660,836.90 is: 2,290,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,180.47 : 3,431,920.30 = 1,660,836.90 : x
  2. Step 2: Convert to fraction form
    2,488,180.47/3,431,920.30 = 1,660,836.90/x
  3. Step 3: Cross multiply
    2,488,180.47x = 3,431,920.30 × 1,660,836.90
  4. Step 4: Simplify right side
    2,488,180.47x = 5,699,859,872,099.07
  5. Step 5: Solve for x
    x = 5,699,859,872,099.07/2,488,180.47
  6. Step 6: Final answer
    x = 2,290,774.30

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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.