Home / 3,078,147.53-4,617,221.34-834,285.53

Finding the Fourth Proportional to 3,078,147.53, 4,617,221.34 and 834,285.53

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Solution

The fourth proportional to 3,078,147.53, 4,617,221.34 and 834,285.53 is: 1,251,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,147.53 : 4,617,221.34 = 834,285.53 : x
  2. Step 2: Convert to fraction form
    3,078,147.53/4,617,221.34 = 834,285.53/x
  3. Step 3: Cross multiply
    3,078,147.53x = 4,617,221.34 × 834,285.53
  4. Step 4: Simplify right side
    3,078,147.53x = 3,852,080,948,597.78
  5. Step 5: Solve for x
    x = 3,852,080,948,597.78/3,078,147.53
  6. Step 6: Final answer
    x = 1,251,428.31

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Double scale
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1.5x scale

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.