Home / 2,999,309.40-4,499,620.20-977,209.20

Finding the Fourth Proportional to 2,999,309.40, 4,499,620.20 and 977,209.20

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Solution

The fourth proportional to 2,999,309.40, 4,499,620.20 and 977,209.20 is: 1,466,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,309.40 : 4,499,620.20 = 977,209.20 : x
  2. Step 2: Convert to fraction form
    2,999,309.40/4,499,620.20 = 977,209.20/x
  3. Step 3: Cross multiply
    2,999,309.40x = 4,499,620.20 × 977,209.20
  4. Step 4: Simplify right side
    2,999,309.40x = 4,397,070,255,945.84
  5. Step 5: Solve for x
    x = 4,397,070,255,945.84/2,999,309.40
  6. Step 6: Final answer
    x = 1,466,027.56

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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.