Home / 5,150,999.10-7,722,999.45-1,955,646.30

Finding the Fourth Proportional to 5,150,999.10, 7,722,999.45 and 1,955,646.30

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Solution

The fourth proportional to 5,150,999.10, 7,722,999.45 and 1,955,646.30 is: 2,932,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,999.10 : 7,722,999.45 = 1,955,646.30 : x
  2. Step 2: Convert to fraction form
    5,150,999.10/7,722,999.45 = 1,955,646.30/x
  3. Step 3: Cross multiply
    5,150,999.10x = 7,722,999.45 × 1,955,646.30
  4. Step 4: Simplify right side
    5,150,999.10x = 15,103,455,299,294.54
  5. Step 5: Solve for x
    x = 15,103,455,299,294.54/5,150,999.10
  6. Step 6: Final answer
    x = 2,932,140.93

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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.