Home / 5,428,878.40-8,147,910.30-2,236,295.80

Finding the Fourth Proportional to 5,428,878.40, 8,147,910.30 and 2,236,295.80

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Solution

The fourth proportional to 5,428,878.40, 8,147,910.30 and 2,236,295.80 is: 3,356,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,878.40 : 8,147,910.30 = 2,236,295.80 : x
  2. Step 2: Convert to fraction form
    5,428,878.40/8,147,910.30 = 2,236,295.80/x
  3. Step 3: Cross multiply
    5,428,878.40x = 8,147,910.30 × 2,236,295.80
  4. Step 4: Simplify right side
    5,428,878.40x = 18,221,137,582,666.74
  5. Step 5: Solve for x
    x = 18,221,137,582,666.74/5,428,878.40
  6. Step 6: Final answer
    x = 3,356,335.55

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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.