Home / 3,202,928.90-4,419,909.96-1,914,479.72

Finding the Fourth Proportional to 3,202,928.90, 4,419,909.96 and 1,914,479.72

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Solution

The fourth proportional to 3,202,928.90, 4,419,909.96 and 1,914,479.72 is: 2,641,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,928.90 : 4,419,909.96 = 1,914,479.72 : x
  2. Step 2: Convert to fraction form
    3,202,928.90/4,419,909.96 = 1,914,479.72/x
  3. Step 3: Cross multiply
    3,202,928.90x = 4,419,909.96 × 1,914,479.72
  4. Step 4: Simplify right side
    3,202,928.90x = 8,461,827,982,646.01
  5. Step 5: Solve for x
    x = 8,461,827,982,646.01/3,202,928.90
  6. Step 6: Final answer
    x = 2,641,903.16

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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.