Home / 4,221,145.92-5,825,186.24-2,287,389.60

Finding the Fourth Proportional to 4,221,145.92, 5,825,186.24 and 2,287,389.60

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Solution

The fourth proportional to 4,221,145.92, 5,825,186.24 and 2,287,389.60 is: 3,156,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,145.92 : 5,825,186.24 = 2,287,389.60 : x
  2. Step 2: Convert to fraction form
    4,221,145.92/5,825,186.24 = 2,287,389.60/x
  3. Step 3: Cross multiply
    4,221,145.92x = 5,825,186.24 × 2,287,389.60
  4. Step 4: Simplify right side
    4,221,145.92x = 13,324,470,423,439.11
  5. Step 5: Solve for x
    x = 13,324,470,423,439.11/4,221,145.92
  6. Step 6: Final answer
    x = 3,156,600.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.