Home / 4,959,785.40-7,439,678.10-2,125,433.40

Finding the Fourth Proportional to 4,959,785.40, 7,439,678.10 and 2,125,433.40

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Solution

The fourth proportional to 4,959,785.40, 7,439,678.10 and 2,125,433.40 is: 3,188,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,785.40 : 7,439,678.10 = 2,125,433.40 : x
  2. Step 2: Convert to fraction form
    4,959,785.40/7,439,678.10 = 2,125,433.40/x
  3. Step 3: Cross multiply
    4,959,785.40x = 7,439,678.10 × 2,125,433.40
  4. Step 4: Simplify right side
    4,959,785.40x = 15,812,540,318,988.54
  5. Step 5: Solve for x
    x = 15,812,540,318,988.54/4,959,785.40
  6. Step 6: Final answer
    x = 3,188,150.10

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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.