Home / 5,386,284.80-8,079,427.20-2,193,702.20

Finding the Fourth Proportional to 5,386,284.80, 8,079,427.20 and 2,193,702.20

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Solution

The fourth proportional to 5,386,284.80, 8,079,427.20 and 2,193,702.20 is: 3,290,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,284.80 : 8,079,427.20 = 2,193,702.20 : x
  2. Step 2: Convert to fraction form
    5,386,284.80/8,079,427.20 = 2,193,702.20/x
  3. Step 3: Cross multiply
    5,386,284.80x = 8,079,427.20 × 2,193,702.20
  4. Step 4: Simplify right side
    5,386,284.80x = 17,723,857,223,379.84
  5. Step 5: Solve for x
    x = 17,723,857,223,379.84/5,386,284.80
  6. Step 6: Final answer
    x = 3,290,553.30

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Similar ratio
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1.5x scale

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.