Home / 3,417,156.40-5,122,235.40-1,996,481.20

Finding the Fourth Proportional to 3,417,156.40, 5,122,235.40 and 1,996,481.20

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Solution

The fourth proportional to 3,417,156.40, 5,122,235.40 and 1,996,481.20 is: 2,992,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,156.40 : 5,122,235.40 = 1,996,481.20 : x
  2. Step 2: Convert to fraction form
    3,417,156.40/5,122,235.40 = 1,996,481.20/x
  3. Step 3: Cross multiply
    3,417,156.40x = 5,122,235.40 × 1,996,481.20
  4. Step 4: Simplify right side
    3,417,156.40x = 10,226,446,678,074.48
  5. Step 5: Solve for x
    x = 10,226,446,678,074.48/3,417,156.40
  6. Step 6: Final answer
    x = 2,992,677.38

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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.