Home / 2,666,812.77-3,680,211.32-1,443,118.17

Finding the Fourth Proportional to 2,666,812.77, 3,680,211.32 and 1,443,118.17

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Solution

The fourth proportional to 2,666,812.77, 3,680,211.32 and 1,443,118.17 is: 1,991,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,812.77 : 3,680,211.32 = 1,443,118.17 : x
  2. Step 2: Convert to fraction form
    2,666,812.77/3,680,211.32 = 1,443,118.17/x
  3. Step 3: Cross multiply
    2,666,812.77x = 3,680,211.32 × 1,443,118.17
  4. Step 4: Simplify right side
    2,666,812.77x = 5,310,979,825,331.68
  5. Step 5: Solve for x
    x = 5,310,979,825,331.68/2,666,812.77
  6. Step 6: Final answer
    x = 1,991,508.32

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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.