Home / 5,221,149.10-7,832,142.30-1,984,237.48

Finding the Fourth Proportional to 5,221,149.10, 7,832,142.30 and 1,984,237.48

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Solution

The fourth proportional to 5,221,149.10, 7,832,142.30 and 1,984,237.48 is: 2,976,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,149.10 : 7,832,142.30 = 1,984,237.48 : x
  2. Step 2: Convert to fraction form
    5,221,149.10/7,832,142.30 = 1,984,237.48/x
  3. Step 3: Cross multiply
    5,221,149.10x = 7,832,142.30 × 1,984,237.48
  4. Step 4: Simplify right side
    5,221,149.10x = 15,540,830,300,353.40
  5. Step 5: Solve for x
    x = 15,540,830,300,353.40/5,221,149.10
  6. Step 6: Final answer
    x = 2,976,515.32

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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.