Home / 5,182,002.21-7,773,999.60-1,986,879.21

Finding the Fourth Proportional to 5,182,002.21, 7,773,999.60 and 1,986,879.21

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Solution

The fourth proportional to 5,182,002.21, 7,773,999.60 and 1,986,879.21 is: 2,980,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,002.21 : 7,773,999.60 = 1,986,879.21 : x
  2. Step 2: Convert to fraction form
    5,182,002.21/7,773,999.60 = 1,986,879.21/x
  3. Step 3: Cross multiply
    5,182,002.21x = 7,773,999.60 × 1,986,879.21
  4. Step 4: Simplify right side
    5,182,002.21x = 15,445,998,144,918.32
  5. Step 5: Solve for x
    x = 15,445,998,144,918.32/5,182,002.21
  6. Step 6: Final answer
    x = 2,980,700.81

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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.