Home / 2,378,638.20-3,567,957.30-781,253.40

Finding the Fourth Proportional to 2,378,638.20, 3,567,957.30 and 781,253.40

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Solution

The fourth proportional to 2,378,638.20, 3,567,957.30 and 781,253.40 is: 1,171,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,638.20 : 3,567,957.30 = 781,253.40 : x
  2. Step 2: Convert to fraction form
    2,378,638.20/3,567,957.30 = 781,253.40/x
  3. Step 3: Cross multiply
    2,378,638.20x = 3,567,957.30 × 781,253.40
  4. Step 4: Simplify right side
    2,378,638.20x = 2,787,478,771,679.82
  5. Step 5: Solve for x
    x = 2,787,478,771,679.82/2,378,638.20
  6. Step 6: Final answer
    x = 1,171,880.10

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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.