Home / 3,281,181.60-4,921,772.40-1,038,007.20

Finding the Fourth Proportional to 3,281,181.60, 4,921,772.40 and 1,038,007.20

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Solution

The fourth proportional to 3,281,181.60, 4,921,772.40 and 1,038,007.20 is: 1,557,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,181.60 : 4,921,772.40 = 1,038,007.20 : x
  2. Step 2: Convert to fraction form
    3,281,181.60/4,921,772.40 = 1,038,007.20/x
  3. Step 3: Cross multiply
    3,281,181.60x = 4,921,772.40 × 1,038,007.20
  4. Step 4: Simplify right side
    3,281,181.60x = 5,108,835,187,961.28
  5. Step 5: Solve for x
    x = 5,108,835,187,961.28/3,281,181.60
  6. Step 6: Final answer
    x = 1,557,010.80

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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.