Home / 4,815,126.90-7,223,018.40-1,532,221.20

Finding the Fourth Proportional to 4,815,126.90, 7,223,018.40 and 1,532,221.20

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Solution

The fourth proportional to 4,815,126.90, 7,223,018.40 and 1,532,221.20 is: 2,298,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,126.90 : 7,223,018.40 = 1,532,221.20 : x
  2. Step 2: Convert to fraction form
    4,815,126.90/7,223,018.40 = 1,532,221.20/x
  3. Step 3: Cross multiply
    4,815,126.90x = 7,223,018.40 × 1,532,221.20
  4. Step 4: Simplify right side
    4,815,126.90x = 11,067,261,920,470.08
  5. Step 5: Solve for x
    x = 11,067,261,920,470.08/4,815,126.90
  6. Step 6: Final answer
    x = 2,298,436.19

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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.