Home / 2,177,662.50-3,005,031.96-1,210,757.13

Finding the Fourth Proportional to 2,177,662.50, 3,005,031.96 and 1,210,757.13

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Solution

The fourth proportional to 2,177,662.50, 3,005,031.96 and 1,210,757.13 is: 1,670,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,662.50 : 3,005,031.96 = 1,210,757.13 : x
  2. Step 2: Convert to fraction form
    2,177,662.50/3,005,031.96 = 1,210,757.13/x
  3. Step 3: Cross multiply
    2,177,662.50x = 3,005,031.96 × 1,210,757.13
  4. Step 4: Simplify right side
    2,177,662.50x = 3,638,363,871,447.87
  5. Step 5: Solve for x
    x = 3,638,363,871,447.87/2,177,662.50
  6. Step 6: Final answer
    x = 1,670,765.73

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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.