Home / 2,826,780.31-4,208,200.68-2,809,965.13

Finding the Fourth Proportional to 2,826,780.31, 4,208,200.68 and 2,809,965.13

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Solution

The fourth proportional to 2,826,780.31, 4,208,200.68 and 2,809,965.13 is: 4,183,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,780.31 : 4,208,200.68 = 2,809,965.13 : x
  2. Step 2: Convert to fraction form
    2,826,780.31/4,208,200.68 = 2,809,965.13/x
  3. Step 3: Cross multiply
    2,826,780.31x = 4,208,200.68 × 2,809,965.13
  4. Step 4: Simplify right side
    2,826,780.31x = 11,824,897,166,907.78
  5. Step 5: Solve for x
    x = 11,824,897,166,907.78/2,826,780.31
  6. Step 6: Final answer
    x = 4,183,168.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.