Home / 2,191,702.20-3,288,167.70-1,069,807.80

Finding the Fourth Proportional to 2,191,702.20, 3,288,167.70 and 1,069,807.80

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Solution

The fourth proportional to 2,191,702.20, 3,288,167.70 and 1,069,807.80 is: 1,605,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,702.20 : 3,288,167.70 = 1,069,807.80 : x
  2. Step 2: Convert to fraction form
    2,191,702.20/3,288,167.70 = 1,069,807.80/x
  3. Step 3: Cross multiply
    2,191,702.20x = 3,288,167.70 × 1,069,807.80
  4. Step 4: Simplify right side
    2,191,702.20x = 3,517,707,453,168.06
  5. Step 5: Solve for x
    x = 3,517,707,453,168.06/2,191,702.20
  6. Step 6: Final answer
    x = 1,605,011.60

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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.