Home / 2,879,012.13-4,318,530.39-748,942.47

Finding the Fourth Proportional to 2,879,012.13, 4,318,530.39 and 748,942.47

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Solution

The fourth proportional to 2,879,012.13, 4,318,530.39 and 748,942.47 is: 1,123,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,012.13 : 4,318,530.39 = 748,942.47 : x
  2. Step 2: Convert to fraction form
    2,879,012.13/4,318,530.39 = 748,942.47/x
  3. Step 3: Cross multiply
    2,879,012.13x = 4,318,530.39 × 748,942.47
  4. Step 4: Simplify right side
    2,879,012.13x = 3,234,330,817,056.66
  5. Step 5: Solve for x
    x = 3,234,330,817,056.66/2,879,012.13
  6. Step 6: Final answer
    x = 1,123,416.88

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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.