Home / 3,108,187.68-4,662,912.10-977,776.30

Finding the Fourth Proportional to 3,108,187.68, 4,662,912.10 and 977,776.30

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Solution

The fourth proportional to 3,108,187.68, 4,662,912.10 and 977,776.30 is: 1,466,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,187.68 : 4,662,912.10 = 977,776.30 : x
  2. Step 2: Convert to fraction form
    3,108,187.68/4,662,912.10 = 977,776.30/x
  3. Step 3: Cross multiply
    3,108,187.68x = 4,662,912.10 × 977,776.30
  4. Step 4: Simplify right side
    3,108,187.68x = 4,559,284,940,363.23
  5. Step 5: Solve for x
    x = 4,559,284,940,363.23/3,108,187.68
  6. Step 6: Final answer
    x = 1,466,862.82

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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.