Home / 3,941,234.64-5,438,901.40-2,130,398.64

Finding the Fourth Proportional to 3,941,234.64, 5,438,901.40 and 2,130,398.64

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Solution

The fourth proportional to 3,941,234.64, 5,438,901.40 and 2,130,398.64 is: 2,939,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,234.64 : 5,438,901.40 = 2,130,398.64 : x
  2. Step 2: Convert to fraction form
    3,941,234.64/5,438,901.40 = 2,130,398.64/x
  3. Step 3: Cross multiply
    3,941,234.64x = 5,438,901.40 × 2,130,398.64
  4. Step 4: Simplify right side
    3,941,234.64x = 11,587,028,145,654.10
  5. Step 5: Solve for x
    x = 11,587,028,145,654.10/3,941,234.64
  6. Step 6: Final answer
    x = 2,939,948.82

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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.