Home / 3,888,272.40-5,829,643.80-1,491,190.80

Finding the Fourth Proportional to 3,888,272.40, 5,829,643.80 and 1,491,190.80

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Solution

The fourth proportional to 3,888,272.40, 5,829,643.80 and 1,491,190.80 is: 2,235,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,272.40 : 5,829,643.80 = 1,491,190.80 : x
  2. Step 2: Convert to fraction form
    3,888,272.40/5,829,643.80 = 1,491,190.80/x
  3. Step 3: Cross multiply
    3,888,272.40x = 5,829,643.80 × 1,491,190.80
  4. Step 4: Simplify right side
    3,888,272.40x = 8,693,111,201,837.04
  5. Step 5: Solve for x
    x = 8,693,111,201,837.04/3,888,272.40
  6. Step 6: Final answer
    x = 2,235,725.87

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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.