Home / 2,995,630.20-4,493,445.30-865,783.80

Finding the Fourth Proportional to 2,995,630.20, 4,493,445.30 and 865,783.80

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Solution

The fourth proportional to 2,995,630.20, 4,493,445.30 and 865,783.80 is: 1,298,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,630.20 : 4,493,445.30 = 865,783.80 : x
  2. Step 2: Convert to fraction form
    2,995,630.20/4,493,445.30 = 865,783.80/x
  3. Step 3: Cross multiply
    2,995,630.20x = 4,493,445.30 × 865,783.80
  4. Step 4: Simplify right side
    2,995,630.20x = 3,890,352,146,926.14
  5. Step 5: Solve for x
    x = 3,890,352,146,926.14/2,995,630.20
  6. Step 6: Final answer
    x = 1,298,675.70

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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.