Home / 2,788,882.40-4,183,712.40-1,191,432.80

Finding the Fourth Proportional to 2,788,882.40, 4,183,712.40 and 1,191,432.80

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Solution

The fourth proportional to 2,788,882.40, 4,183,712.40 and 1,191,432.80 is: 1,787,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,882.40 : 4,183,712.40 = 1,191,432.80 : x
  2. Step 2: Convert to fraction form
    2,788,882.40/4,183,712.40 = 1,191,432.80/x
  3. Step 3: Cross multiply
    2,788,882.40x = 4,183,712.40 × 1,191,432.80
  4. Step 4: Simplify right side
    2,788,882.40x = 4,984,612,179,126.72
  5. Step 5: Solve for x
    x = 4,984,612,179,126.72/2,788,882.40
  6. Step 6: Final answer
    x = 1,787,315.30

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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.