Home / 3,726,604.56-5,142,359.76-2,178,229.20

Finding the Fourth Proportional to 3,726,604.56, 5,142,359.76 and 2,178,229.20

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Solution

The fourth proportional to 3,726,604.56, 5,142,359.76 and 2,178,229.20 is: 3,005,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726,604.56 : 5,142,359.76 = 2,178,229.20 : x
  2. Step 2: Convert to fraction form
    3,726,604.56/5,142,359.76 = 2,178,229.20/x
  3. Step 3: Cross multiply
    3,726,604.56x = 5,142,359.76 × 2,178,229.20
  4. Step 4: Simplify right side
    3,726,604.56x = 11,201,238,186,136.99
  5. Step 5: Solve for x
    x = 11,201,238,186,136.99/3,726,604.56
  6. Step 6: Final answer
    x = 3,005,749.07

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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.