Home / 3,622,846.60-5,428,049.10-1,914,459.40

Finding the Fourth Proportional to 3,622,846.60, 5,428,049.10 and 1,914,459.40

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Solution

The fourth proportional to 3,622,846.60, 5,428,049.10 and 1,914,459.40 is: 2,868,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,846.60 : 5,428,049.10 = 1,914,459.40 : x
  2. Step 2: Convert to fraction form
    3,622,846.60/5,428,049.10 = 1,914,459.40/x
  3. Step 3: Cross multiply
    3,622,846.60x = 5,428,049.10 × 1,914,459.40
  4. Step 4: Simplify right side
    3,622,846.60x = 10,391,779,623,156.54
  5. Step 5: Solve for x
    x = 10,391,779,623,156.54/3,622,846.60
  6. Step 6: Final answer
    x = 2,868,401.78

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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.