Home / 2,666,812.71-3,680,211.23-1,443,118.11

Finding the Fourth Proportional to 2,666,812.71, 3,680,211.23 and 1,443,118.11

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Solution

The fourth proportional to 2,666,812.71, 3,680,211.23 and 1,443,118.11 is: 1,991,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,812.71 : 3,680,211.23 = 1,443,118.11 : x
  2. Step 2: Convert to fraction form
    2,666,812.71/3,680,211.23 = 1,443,118.11/x
  3. Step 3: Cross multiply
    2,666,812.71x = 3,680,211.23 × 1,443,118.11
  4. Step 4: Simplify right side
    2,666,812.71x = 5,310,979,474,638.38
  5. Step 5: Solve for x
    x = 5,310,979,474,638.38/2,666,812.71
  6. Step 6: Final answer
    x = 1,991,508.24

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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.