Home / 5,217,759.20-7,827,999.60-2,022,989.60

Finding the Fourth Proportional to 5,217,759.20, 7,827,999.60 and 2,022,989.60

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Solution

The fourth proportional to 5,217,759.20, 7,827,999.60 and 2,022,989.60 is: 3,035,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,759.20 : 7,827,999.60 = 2,022,989.60 : x
  2. Step 2: Convert to fraction form
    5,217,759.20/7,827,999.60 = 2,022,989.60/x
  3. Step 3: Cross multiply
    5,217,759.20x = 7,827,999.60 × 2,022,989.60
  4. Step 4: Simplify right side
    5,217,759.20x = 15,835,961,779,604.16
  5. Step 5: Solve for x
    x = 15,835,961,779,604.16/5,217,759.20
  6. Step 6: Final answer
    x = 3,035,012.00

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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.