Home / 4,920,966.30-7,381,449.45-2,897,132.70

Finding the Fourth Proportional to 4,920,966.30, 7,381,449.45 and 2,897,132.70

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Solution

The fourth proportional to 4,920,966.30, 7,381,449.45 and 2,897,132.70 is: 4,345,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,966.30 : 7,381,449.45 = 2,897,132.70 : x
  2. Step 2: Convert to fraction form
    4,920,966.30/7,381,449.45 = 2,897,132.70/x
  3. Step 3: Cross multiply
    4,920,966.30x = 7,381,449.45 × 2,897,132.70
  4. Step 4: Simplify right side
    4,920,966.30x = 21,385,038,574,992.02
  5. Step 5: Solve for x
    x = 21,385,038,574,992.02/4,920,966.30
  6. Step 6: Final answer
    x = 4,345,699.05

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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.