Home / 2,666,731.79-3,680,099.63-1,443,037.32

Finding the Fourth Proportional to 2,666,731.79, 3,680,099.63 and 1,443,037.32

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Solution

The fourth proportional to 2,666,731.79, 3,680,099.63 and 1,443,037.32 is: 1,991,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,731.79 : 3,680,099.63 = 1,443,037.32 : x
  2. Step 2: Convert to fraction form
    2,666,731.79/3,680,099.63 = 1,443,037.32/x
  3. Step 3: Cross multiply
    2,666,731.79x = 3,680,099.63 × 1,443,037.32
  4. Step 4: Simplify right side
    2,666,731.79x = 5,310,521,100,193.01
  5. Step 5: Solve for x
    x = 5,310,521,100,193.01/2,666,731.79
  6. Step 6: Final answer
    x = 1,991,396.78

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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.