Home / 3,138,266.30-4,707,399.46-894,112.70

Finding the Fourth Proportional to 3,138,266.30, 4,707,399.46 and 894,112.70

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Solution

The fourth proportional to 3,138,266.30, 4,707,399.46 and 894,112.70 is: 1,341,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,266.30 : 4,707,399.46 = 894,112.70 : x
  2. Step 2: Convert to fraction form
    3,138,266.30/4,707,399.46 = 894,112.70/x
  3. Step 3: Cross multiply
    3,138,266.30x = 4,707,399.46 × 894,112.70
  4. Step 4: Simplify right side
    3,138,266.30x = 4,208,945,641,159.14
  5. Step 5: Solve for x
    x = 4,208,945,641,159.14/3,138,266.30
  6. Step 6: Final answer
    x = 1,341,169.05

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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.