Home / 5,288,719.20-7,942,701.60-4,627,370.40

Finding the Fourth Proportional to 5,288,719.20, 7,942,701.60 and 4,627,370.40

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Solution

The fourth proportional to 5,288,719.20, 7,942,701.60 and 4,627,370.40 is: 6,949,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,719.20 : 7,942,701.60 = 4,627,370.40 : x
  2. Step 2: Convert to fraction form
    5,288,719.20/7,942,701.60 = 4,627,370.40/x
  3. Step 3: Cross multiply
    5,288,719.20x = 7,942,701.60 × 4,627,370.40
  4. Step 4: Simplify right side
    5,288,719.20x = 36,753,822,279,872.64
  5. Step 5: Solve for x
    x = 36,753,822,279,872.64/5,288,719.20
  6. Step 6: Final answer
    x = 6,949,475.08

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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.