Home / 3,181,679.60-4,390,810.23-1,731,468.56

Finding the Fourth Proportional to 3,181,679.60, 4,390,810.23 and 1,731,468.56

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Solution

The fourth proportional to 3,181,679.60, 4,390,810.23 and 1,731,468.56 is: 2,389,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,679.60 : 4,390,810.23 = 1,731,468.56 : x
  2. Step 2: Convert to fraction form
    3,181,679.60/4,390,810.23 = 1,731,468.56/x
  3. Step 3: Cross multiply
    3,181,679.60x = 4,390,810.23 × 1,731,468.56
  4. Step 4: Simplify right side
    3,181,679.60x = 7,602,549,844,217.32
  5. Step 5: Solve for x
    x = 7,602,549,844,217.32/3,181,679.60
  6. Step 6: Final answer
    x = 2,389,476.88

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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.