Home / 2,912,446.20-4,368,669.30-1,636,987.80

Finding the Fourth Proportional to 2,912,446.20, 4,368,669.30 and 1,636,987.80

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Solution

The fourth proportional to 2,912,446.20, 4,368,669.30 and 1,636,987.80 is: 2,455,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,446.20 : 4,368,669.30 = 1,636,987.80 : x
  2. Step 2: Convert to fraction form
    2,912,446.20/4,368,669.30 = 1,636,987.80/x
  3. Step 3: Cross multiply
    2,912,446.20x = 4,368,669.30 × 1,636,987.80
  4. Step 4: Simplify right side
    2,912,446.20x = 7,151,458,346,334.54
  5. Step 5: Solve for x
    x = 7,151,458,346,334.54/2,912,446.20
  6. Step 6: Final answer
    x = 2,455,481.70

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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.