Home / 3,078,171.88-4,247,866.74-1,720,044.88

Finding the Fourth Proportional to 3,078,171.88, 4,247,866.74 and 1,720,044.88

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Solution

The fourth proportional to 3,078,171.88, 4,247,866.74 and 1,720,044.88 is: 2,373,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,171.88 : 4,247,866.74 = 1,720,044.88 : x
  2. Step 2: Convert to fraction form
    3,078,171.88/4,247,866.74 = 1,720,044.88/x
  3. Step 3: Cross multiply
    3,078,171.88x = 4,247,866.74 × 1,720,044.88
  4. Step 4: Simplify right side
    3,078,171.88x = 7,306,521,437,059.29
  5. Step 5: Solve for x
    x = 7,306,521,437,059.29/3,078,171.88
  6. Step 6: Final answer
    x = 2,373,656.09

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1.5x scale

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.