Home / 3,138,316.40-4,707,474.60-863,836.40

Finding the Fourth Proportional to 3,138,316.40, 4,707,474.60 and 863,836.40

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Solution

The fourth proportional to 3,138,316.40, 4,707,474.60 and 863,836.40 is: 1,295,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,316.40 : 4,707,474.60 = 863,836.40 : x
  2. Step 2: Convert to fraction form
    3,138,316.40/4,707,474.60 = 863,836.40/x
  3. Step 3: Cross multiply
    3,138,316.40x = 4,707,474.60 × 863,836.40
  4. Step 4: Simplify right side
    3,138,316.40x = 4,066,487,911,555.44
  5. Step 5: Solve for x
    x = 4,066,487,911,555.44/3,138,316.40
  6. Step 6: Final answer
    x = 1,295,754.60

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Similar ratio
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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.