Home / 3,565,813.60-5,348,720.40-1,321,487.20

Finding the Fourth Proportional to 3,565,813.60, 5,348,720.40 and 1,321,487.20

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Solution

The fourth proportional to 3,565,813.60, 5,348,720.40 and 1,321,487.20 is: 1,982,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,813.60 : 5,348,720.40 = 1,321,487.20 : x
  2. Step 2: Convert to fraction form
    3,565,813.60/5,348,720.40 = 1,321,487.20/x
  3. Step 3: Cross multiply
    3,565,813.60x = 5,348,720.40 × 1,321,487.20
  4. Step 4: Simplify right side
    3,565,813.60x = 7,068,265,544,978.88
  5. Step 5: Solve for x
    x = 7,068,265,544,978.88/3,565,813.60
  6. Step 6: Final answer
    x = 1,982,230.80

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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.