Home / 6,231,985.20-9,347,977.80-1,972,486.80

Finding the Fourth Proportional to 6,231,985.20, 9,347,977.80 and 1,972,486.80

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Solution

The fourth proportional to 6,231,985.20, 9,347,977.80 and 1,972,486.80 is: 2,958,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,985.20 : 9,347,977.80 = 1,972,486.80 : x
  2. Step 2: Convert to fraction form
    6,231,985.20/9,347,977.80 = 1,972,486.80/x
  3. Step 3: Cross multiply
    6,231,985.20x = 9,347,977.80 × 1,972,486.80
  4. Step 4: Simplify right side
    6,231,985.20x = 18,438,762,817,193.04
  5. Step 5: Solve for x
    x = 18,438,762,817,193.04/6,231,985.20
  6. Step 6: Final answer
    x = 2,958,730.20

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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.