Home / 2,275,436.76-3,140,113.43-1,242,958.87

Finding the Fourth Proportional to 2,275,436.76, 3,140,113.43 and 1,242,958.87

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Solution

The fourth proportional to 2,275,436.76, 3,140,113.43 and 1,242,958.87 is: 1,715,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,436.76 : 3,140,113.43 = 1,242,958.87 : x
  2. Step 2: Convert to fraction form
    2,275,436.76/3,140,113.43 = 1,242,958.87/x
  3. Step 3: Cross multiply
    2,275,436.76x = 3,140,113.43 × 1,242,958.87
  4. Step 4: Simplify right side
    2,275,436.76x = 3,903,031,847,657.16
  5. Step 5: Solve for x
    x = 3,903,031,847,657.16/2,275,436.76
  6. Step 6: Final answer
    x = 1,715,289.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.