Home / 3,028,736.20-4,543,104.30-2,178,430.60

Finding the Fourth Proportional to 3,028,736.20, 4,543,104.30 and 2,178,430.60

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Solution

The fourth proportional to 3,028,736.20, 4,543,104.30 and 2,178,430.60 is: 3,267,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028,736.20 : 4,543,104.30 = 2,178,430.60 : x
  2. Step 2: Convert to fraction form
    3,028,736.20/4,543,104.30 = 2,178,430.60/x
  3. Step 3: Cross multiply
    3,028,736.20x = 4,543,104.30 × 2,178,430.60
  4. Step 4: Simplify right side
    3,028,736.20x = 9,896,837,426,111.58
  5. Step 5: Solve for x
    x = 9,896,837,426,111.58/3,028,736.20
  6. Step 6: Final answer
    x = 3,267,645.90

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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.