Home / 5,107,984.30-7,661,948.77-2,189,647.40

Finding the Fourth Proportional to 5,107,984.30, 7,661,948.77 and 2,189,647.40

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Solution

The fourth proportional to 5,107,984.30, 7,661,948.77 and 2,189,647.40 is: 3,284,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,984.30 : 7,661,948.77 = 2,189,647.40 : x
  2. Step 2: Convert to fraction form
    5,107,984.30/7,661,948.77 = 2,189,647.40/x
  3. Step 3: Cross multiply
    5,107,984.30x = 7,661,948.77 × 2,189,647.40
  4. Step 4: Simplify right side
    5,107,984.30x = 16,776,966,203,163.70
  5. Step 5: Solve for x
    x = 16,776,966,203,163.70/5,107,984.30
  6. Step 6: Final answer
    x = 3,284,459.23

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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.