Home / 3,453,428.40-5,177,188.96-1,325,040

Finding the Fourth Proportional to 3,453,428.40, 5,177,188.96 and 1,325,040

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Solution

The fourth proportional to 3,453,428.40, 5,177,188.96 and 1,325,040 is: 1,986,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,428.40 : 5,177,188.96 = 1,325,040 : x
  2. Step 2: Convert to fraction form
    3,453,428.40/5,177,188.96 = 1,325,040/x
  3. Step 3: Cross multiply
    3,453,428.40x = 5,177,188.96 × 1,325,040
  4. Step 4: Simplify right side
    3,453,428.40x = 6,859,982,459,558.40
  5. Step 5: Solve for x
    x = 6,859,982,459,558.40/3,453,428.40
  6. Step 6: Final answer
    x = 1,986,426.72

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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.