Home / 3,390,549.88-4,679,221.14-1,940,700.16

Finding the Fourth Proportional to 3,390,549.88, 4,679,221.14 and 1,940,700.16

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Solution

The fourth proportional to 3,390,549.88, 4,679,221.14 and 1,940,700.16 is: 2,678,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,549.88 : 4,679,221.14 = 1,940,700.16 : x
  2. Step 2: Convert to fraction form
    3,390,549.88/4,679,221.14 = 1,940,700.16/x
  3. Step 3: Cross multiply
    3,390,549.88x = 4,679,221.14 × 1,940,700.16
  4. Step 4: Simplify right side
    3,390,549.88x = 9,080,965,215,073.38
  5. Step 5: Solve for x
    x = 9,080,965,215,073.38/3,390,549.88
  6. Step 6: Final answer
    x = 2,678,316.36

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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.