Home / 3,281,205.20-4,921,807.80-1,686,882.20

Finding the Fourth Proportional to 3,281,205.20, 4,921,807.80 and 1,686,882.20

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Solution

The fourth proportional to 3,281,205.20, 4,921,807.80 and 1,686,882.20 is: 2,530,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,205.20 : 4,921,807.80 = 1,686,882.20 : x
  2. Step 2: Convert to fraction form
    3,281,205.20/4,921,807.80 = 1,686,882.20/x
  3. Step 3: Cross multiply
    3,281,205.20x = 4,921,807.80 × 1,686,882.20
  4. Step 4: Simplify right side
    3,281,205.20x = 8,302,509,969,641.16
  5. Step 5: Solve for x
    x = 8,302,509,969,641.16/3,281,205.20
  6. Step 6: Final answer
    x = 2,530,323.30

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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.