Home / 2,878,138.70-4,317,148.76-959,189.27

Finding the Fourth Proportional to 2,878,138.70, 4,317,148.76 and 959,189.27

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Solution

The fourth proportional to 2,878,138.70, 4,317,148.76 and 959,189.27 is: 1,438,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,138.70 : 4,317,148.76 = 959,189.27 : x
  2. Step 2: Convert to fraction form
    2,878,138.70/4,317,148.76 = 959,189.27/x
  3. Step 3: Cross multiply
    2,878,138.70x = 4,317,148.76 × 959,189.27
  4. Step 4: Simplify right side
    2,878,138.70x = 4,140,962,741,204.12
  5. Step 5: Solve for x
    x = 4,140,962,741,204.12/2,878,138.70
  6. Step 6: Final answer
    x = 1,438,764.14

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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.