Home / 2,666,778.12-3,680,125.56-1,443,056.76

Finding the Fourth Proportional to 2,666,778.12, 3,680,125.56 and 1,443,056.76

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Solution

The fourth proportional to 2,666,778.12, 3,680,125.56 and 1,443,056.76 is: 1,991,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,778.12 : 3,680,125.56 = 1,443,056.76 : x
  2. Step 2: Convert to fraction form
    2,666,778.12/3,680,125.56 = 1,443,056.76/x
  3. Step 3: Cross multiply
    2,666,778.12x = 3,680,125.56 × 1,443,056.76
  4. Step 4: Simplify right side
    2,666,778.12x = 5,310,630,067,006.79
  5. Step 5: Solve for x
    x = 5,310,630,067,006.79/2,666,778.12
  6. Step 6: Final answer
    x = 1,991,403.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.