Home / 1,960,921.20-2,941,384.10-613,090.88

Finding the Fourth Proportional to 1,960,921.20, 2,941,384.10 and 613,090.88

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Solution

The fourth proportional to 1,960,921.20, 2,941,384.10 and 613,090.88 is: 919,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,921.20 : 2,941,384.10 = 613,090.88 : x
  2. Step 2: Convert to fraction form
    1,960,921.20/2,941,384.10 = 613,090.88/x
  3. Step 3: Cross multiply
    1,960,921.20x = 2,941,384.10 × 613,090.88
  4. Step 4: Simplify right side
    1,960,921.20x = 1,803,335,766,287.01
  5. Step 5: Solve for x
    x = 1,803,335,766,287.01/1,960,921.20
  6. Step 6: Final answer
    x = 919,637.04

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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.