Home / 2,172,387.96-3,258,803.70-752,441.40

Finding the Fourth Proportional to 2,172,387.96, 3,258,803.70 and 752,441.40

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Solution

The fourth proportional to 2,172,387.96, 3,258,803.70 and 752,441.40 is: 1,128,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,387.96 : 3,258,803.70 = 752,441.40 : x
  2. Step 2: Convert to fraction form
    2,172,387.96/3,258,803.70 = 752,441.40/x
  3. Step 3: Cross multiply
    2,172,387.96x = 3,258,803.70 × 752,441.40
  4. Step 4: Simplify right side
    2,172,387.96x = 2,452,058,818,353.18
  5. Step 5: Solve for x
    x = 2,452,058,818,353.18/2,172,387.96
  6. Step 6: Final answer
    x = 1,128,738.91

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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.