Home / 5,478,702.30-8,218,053.45-2,486,886.30

Finding the Fourth Proportional to 5,478,702.30, 8,218,053.45 and 2,486,886.30

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Solution

The fourth proportional to 5,478,702.30, 8,218,053.45 and 2,486,886.30 is: 3,730,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,702.30 : 8,218,053.45 = 2,486,886.30 : x
  2. Step 2: Convert to fraction form
    5,478,702.30/8,218,053.45 = 2,486,886.30/x
  3. Step 3: Cross multiply
    5,478,702.30x = 8,218,053.45 × 2,486,886.30
  4. Step 4: Simplify right side
    5,478,702.30x = 20,437,364,537,472.73
  5. Step 5: Solve for x
    x = 20,437,364,537,472.73/5,478,702.30
  6. Step 6: Final answer
    x = 3,730,329.45

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Double scale
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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.