Home / 3,196,972.20-4,787,585.10-1,512,107.40

Finding the Fourth Proportional to 3,196,972.20, 4,787,585.10 and 1,512,107.40

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Solution

The fourth proportional to 3,196,972.20, 4,787,585.10 and 1,512,107.40 is: 2,264,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196,972.20 : 4,787,585.10 = 1,512,107.40 : x
  2. Step 2: Convert to fraction form
    3,196,972.20/4,787,585.10 = 1,512,107.40/x
  3. Step 3: Cross multiply
    3,196,972.20x = 4,787,585.10 × 1,512,107.40
  4. Step 4: Simplify right side
    3,196,972.20x = 7,239,342,857,839.74
  5. Step 5: Solve for x
    x = 7,239,342,857,839.74/3,196,972.20
  6. Step 6: Final answer
    x = 2,264,437.23

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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.