Home / 2,872,451.78-4,309,661.92-980,521.82

Finding the Fourth Proportional to 2,872,451.78, 4,309,661.92 and 980,521.82

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Solution

The fourth proportional to 2,872,451.78, 4,309,661.92 and 980,521.82 is: 1,471,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,451.78 : 4,309,661.92 = 980,521.82 : x
  2. Step 2: Convert to fraction form
    2,872,451.78/4,309,661.92 = 980,521.82/x
  3. Step 3: Cross multiply
    2,872,451.78x = 4,309,661.92 × 980,521.82
  4. Step 4: Simplify right side
    2,872,451.78x = 4,225,717,525,383.48
  5. Step 5: Solve for x
    x = 4,225,717,525,383.48/2,872,451.78
  6. Step 6: Final answer
    x = 1,471,118.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.