Home / 3,240,601.24-4,472,120.01-1,790,390.20

Finding the Fourth Proportional to 3,240,601.24, 4,472,120.01 and 1,790,390.20

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Solution

The fourth proportional to 3,240,601.24, 4,472,120.01 and 1,790,390.20 is: 2,470,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,601.24 : 4,472,120.01 = 1,790,390.20 : x
  2. Step 2: Convert to fraction form
    3,240,601.24/4,472,120.01 = 1,790,390.20/x
  3. Step 3: Cross multiply
    3,240,601.24x = 4,472,120.01 × 1,790,390.20
  4. Step 4: Simplify right side
    3,240,601.24x = 8,006,839,839,127.90
  5. Step 5: Solve for x
    x = 8,006,839,839,127.90/3,240,601.24
  6. Step 6: Final answer
    x = 2,470,788.36

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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.