Home / 1,912,352.49-2,867,613.84-1,113,861.78

Finding the Fourth Proportional to 1,912,352.49, 2,867,613.84 and 1,113,861.78

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Solution

The fourth proportional to 1,912,352.49, 2,867,613.84 and 1,113,861.78 is: 1,670,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,352.49 : 2,867,613.84 = 1,113,861.78 : x
  2. Step 2: Convert to fraction form
    1,912,352.49/2,867,613.84 = 1,113,861.78/x
  3. Step 3: Cross multiply
    1,912,352.49x = 2,867,613.84 × 1,113,861.78
  4. Step 4: Simplify right side
    1,912,352.49x = 3,194,125,456,175.04
  5. Step 5: Solve for x
    x = 3,194,125,456,175.04/1,912,352.49
  6. Step 6: Final answer
    x = 1,670,259.78

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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.