Home / 1,912,644.96-2,867,635.79-847,109.40

Finding the Fourth Proportional to 1,912,644.96, 2,867,635.79 and 847,109.40

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Solution

The fourth proportional to 1,912,644.96, 2,867,635.79 and 847,109.40 is: 1,270,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,644.96 : 2,867,635.79 = 847,109.40 : x
  2. Step 2: Convert to fraction form
    1,912,644.96/2,867,635.79 = 847,109.40/x
  3. Step 3: Cross multiply
    1,912,644.96x = 2,867,635.79 × 847,109.40
  4. Step 4: Simplify right side
    1,912,644.96x = 2,429,201,221,672.90
  5. Step 5: Solve for x
    x = 2,429,201,221,672.90/1,912,644.96
  6. Step 6: Final answer
    x = 1,270,074.31

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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.