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Finding the Fourth Proportional to 2,579,793.60, 3,869,690.40 and 660,701.10

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Solution

The fourth proportional to 2,579,793.60, 3,869,690.40 and 660,701.10 is: 991,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,793.60 : 3,869,690.40 = 660,701.10 : x
  2. Step 2: Convert to fraction form
    2,579,793.60/3,869,690.40 = 660,701.10/x
  3. Step 3: Cross multiply
    2,579,793.60x = 3,869,690.40 × 660,701.10
  4. Step 4: Simplify right side
    2,579,793.60x = 2,556,708,703,939.44
  5. Step 5: Solve for x
    x = 2,556,708,703,939.44/2,579,793.60
  6. Step 6: Final answer
    x = 991,051.65

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Similar ratio
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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.