Home / 3,200,902.81-4,416,978.84-1,805,387.52

Finding the Fourth Proportional to 3,200,902.81, 4,416,978.84 and 1,805,387.52

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Solution

The fourth proportional to 3,200,902.81, 4,416,978.84 and 1,805,387.52 is: 2,491,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,902.81 : 4,416,978.84 = 1,805,387.52 : x
  2. Step 2: Convert to fraction form
    3,200,902.81/4,416,978.84 = 1,805,387.52/x
  3. Step 3: Cross multiply
    3,200,902.81x = 4,416,978.84 × 1,805,387.52
  4. Step 4: Simplify right side
    3,200,902.81x = 7,974,358,485,038.96
  5. Step 5: Solve for x
    x = 7,974,358,485,038.96/3,200,902.81
  6. Step 6: Final answer
    x = 2,491,284.17

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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.