Home / 2,666,818.49-3,680,219.22-1,443,123.89

Finding the Fourth Proportional to 2,666,818.49, 3,680,219.22 and 1,443,123.89

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Solution

The fourth proportional to 2,666,818.49, 3,680,219.22 and 1,443,123.89 is: 1,991,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,818.49 : 3,680,219.22 = 1,443,123.89 : x
  2. Step 2: Convert to fraction form
    2,666,818.49/3,680,219.22 = 1,443,123.89/x
  3. Step 3: Cross multiply
    2,666,818.49x = 3,680,219.22 × 1,443,123.89
  4. Step 4: Simplify right side
    2,666,818.49x = 5,311,012,251,202.45
  5. Step 5: Solve for x
    x = 5,311,012,251,202.45/2,666,818.49
  6. Step 6: Final answer
    x = 1,991,516.21

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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.