Home / 2,084,233.40-3,126,350.10-1,287,071.90

Finding the Fourth Proportional to 2,084,233.40, 3,126,350.10 and 1,287,071.90

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Solution

The fourth proportional to 2,084,233.40, 3,126,350.10 and 1,287,071.90 is: 1,930,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,233.40 : 3,126,350.10 = 1,287,071.90 : x
  2. Step 2: Convert to fraction form
    2,084,233.40/3,126,350.10 = 1,287,071.90/x
  3. Step 3: Cross multiply
    2,084,233.40x = 3,126,350.10 × 1,287,071.90
  4. Step 4: Simplify right side
    2,084,233.40x = 4,023,837,363,272.19
  5. Step 5: Solve for x
    x = 4,023,837,363,272.19/2,084,233.40
  6. Step 6: Final answer
    x = 1,930,607.85

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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.