Home / 2,678,127.12-4,031,669.44-2,439,772.88

Finding the Fourth Proportional to 2,678,127.12, 4,031,669.44 and 2,439,772.88

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Solution

The fourth proportional to 2,678,127.12, 4,031,669.44 and 2,439,772.88 is: 3,672,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,127.12 : 4,031,669.44 = 2,439,772.88 : x
  2. Step 2: Convert to fraction form
    2,678,127.12/4,031,669.44 = 2,439,772.88/x
  3. Step 3: Cross multiply
    2,678,127.12x = 4,031,669.44 × 2,439,772.88
  4. Step 4: Simplify right side
    2,678,127.12x = 9,836,357,760,836.79
  5. Step 5: Solve for x
    x = 9,836,357,760,836.79/2,678,127.12
  6. Step 6: Final answer
    x = 3,672,849.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.