Home / 3,150,639.60-4,715,461.80-2,898,697.20

Finding the Fourth Proportional to 3,150,639.60, 4,715,461.80 and 2,898,697.20

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Solution

The fourth proportional to 3,150,639.60, 4,715,461.80 and 2,898,697.20 is: 4,338,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,639.60 : 4,715,461.80 = 2,898,697.20 : x
  2. Step 2: Convert to fraction form
    3,150,639.60/4,715,461.80 = 2,898,697.20/x
  3. Step 3: Cross multiply
    3,150,639.60x = 4,715,461.80 × 2,898,697.20
  4. Step 4: Simplify right side
    3,150,639.60x = 13,668,695,916,366.96
  5. Step 5: Solve for x
    x = 13,668,695,916,366.96/3,150,639.60
  6. Step 6: Final answer
    x = 4,338,387.65

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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.