Home / 2,113,543.28-3,170,278.20-851,338.64

Finding the Fourth Proportional to 2,113,543.28, 3,170,278.20 and 851,338.64

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Solution

The fourth proportional to 2,113,543.28, 3,170,278.20 and 851,338.64 is: 1,276,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,543.28 : 3,170,278.20 = 851,338.64 : x
  2. Step 2: Convert to fraction form
    2,113,543.28/3,170,278.20 = 851,338.64/x
  3. Step 3: Cross multiply
    2,113,543.28x = 3,170,278.20 × 851,338.64
  4. Step 4: Simplify right side
    2,113,543.28x = 2,698,980,331,209.65
  5. Step 5: Solve for x
    x = 2,698,980,331,209.65/2,113,543.28
  6. Step 6: Final answer
    x = 1,276,993.17

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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.