Home / 2,949,687.64-4,070,647.68-1,660,576.78

Finding the Fourth Proportional to 2,949,687.64, 4,070,647.68 and 1,660,576.78

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Solution

The fourth proportional to 2,949,687.64, 4,070,647.68 and 1,660,576.78 is: 2,291,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,687.64 : 4,070,647.68 = 1,660,576.78 : x
  2. Step 2: Convert to fraction form
    2,949,687.64/4,070,647.68 = 1,660,576.78/x
  3. Step 3: Cross multiply
    2,949,687.64x = 4,070,647.68 × 1,660,576.78
  4. Step 4: Simplify right side
    2,949,687.64x = 6,759,623,016,968.87
  5. Step 5: Solve for x
    x = 6,759,623,016,968.87/2,949,687.64
  6. Step 6: Final answer
    x = 2,291,640.28

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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.