Home / 4,887,868.80-7,331,803.20-3,187,286.40

Finding the Fourth Proportional to 4,887,868.80, 7,331,803.20 and 3,187,286.40

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Solution

The fourth proportional to 4,887,868.80, 7,331,803.20 and 3,187,286.40 is: 4,780,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,868.80 : 7,331,803.20 = 3,187,286.40 : x
  2. Step 2: Convert to fraction form
    4,887,868.80/7,331,803.20 = 3,187,286.40/x
  3. Step 3: Cross multiply
    4,887,868.80x = 7,331,803.20 × 3,187,286.40
  4. Step 4: Simplify right side
    4,887,868.80x = 23,368,556,626,836.48
  5. Step 5: Solve for x
    x = 23,368,556,626,836.48/4,887,868.80
  6. Step 6: Final answer
    x = 4,780,929.60

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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.