Home / 3,380,095.12-5,070,149.00-821,312.22

Finding the Fourth Proportional to 3,380,095.12, 5,070,149.00 and 821,312.22

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Solution

The fourth proportional to 3,380,095.12, 5,070,149.00 and 821,312.22 is: 1,231,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,095.12 : 5,070,149.00 = 821,312.22 : x
  2. Step 2: Convert to fraction form
    3,380,095.12/5,070,149.00 = 821,312.22/x
  3. Step 3: Cross multiply
    3,380,095.12x = 5,070,149.00 × 821,312.22
  4. Step 4: Simplify right side
    3,380,095.12x = 4,164,175,301,463.47
  5. Step 5: Solve for x
    x = 4,164,175,301,463.47/3,380,095.12
  6. Step 6: Final answer
    x = 1,231,969.86

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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.