Home / 2,916,156.40-4,378,900.20-2,206,985.20

Finding the Fourth Proportional to 2,916,156.40, 4,378,900.20 and 2,206,985.20

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Solution

The fourth proportional to 2,916,156.40, 4,378,900.20 and 2,206,985.20 is: 3,314,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,156.40 : 4,378,900.20 = 2,206,985.20 : x
  2. Step 2: Convert to fraction form
    2,916,156.40/4,378,900.20 = 2,206,985.20/x
  3. Step 3: Cross multiply
    2,916,156.40x = 4,378,900.20 × 2,206,985.20
  4. Step 4: Simplify right side
    2,916,156.40x = 9,664,167,933,677.04
  5. Step 5: Solve for x
    x = 9,664,167,933,677.04/2,916,156.40
  6. Step 6: Final answer
    x = 3,314,008.79

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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.