Home / 6,474,958.10-9,712,437.15-1,986,650.90

Finding the Fourth Proportional to 6,474,958.10, 9,712,437.15 and 1,986,650.90

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Solution

The fourth proportional to 6,474,958.10, 9,712,437.15 and 1,986,650.90 is: 2,979,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,958.10 : 9,712,437.15 = 1,986,650.90 : x
  2. Step 2: Convert to fraction form
    6,474,958.10/9,712,437.15 = 1,986,650.90/x
  3. Step 3: Cross multiply
    6,474,958.10x = 9,712,437.15 × 1,986,650.90
  4. Step 4: Simplify right side
    6,474,958.10x = 19,295,222,005,240.93
  5. Step 5: Solve for x
    x = 19,295,222,005,240.93/6,474,958.10
  6. Step 6: Final answer
    x = 2,979,976.35

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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.