Home / 2,666,913.28-3,680,340.20-1,443,218.84

Finding the Fourth Proportional to 2,666,913.28, 3,680,340.20 and 1,443,218.84

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Solution

The fourth proportional to 2,666,913.28, 3,680,340.20 and 1,443,218.84 is: 1,991,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,913.28 : 3,680,340.20 = 1,443,218.84 : x
  2. Step 2: Convert to fraction form
    2,666,913.28/3,680,340.20 = 1,443,218.84/x
  3. Step 3: Cross multiply
    2,666,913.28x = 3,680,340.20 × 1,443,218.84
  4. Step 4: Simplify right side
    2,666,913.28x = 5,311,536,314,249.37
  5. Step 5: Solve for x
    x = 5,311,536,314,249.37/2,666,913.28
  6. Step 6: Final answer
    x = 1,991,641.93

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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.