Home / 1,838,309.70-2,757,464.55-1,236,009.90

Finding the Fourth Proportional to 1,838,309.70, 2,757,464.55 and 1,236,009.90

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Solution

The fourth proportional to 1,838,309.70, 2,757,464.55 and 1,236,009.90 is: 1,854,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,309.70 : 2,757,464.55 = 1,236,009.90 : x
  2. Step 2: Convert to fraction form
    1,838,309.70/2,757,464.55 = 1,236,009.90/x
  3. Step 3: Cross multiply
    1,838,309.70x = 2,757,464.55 × 1,236,009.90
  4. Step 4: Simplify right side
    1,838,309.70x = 3,408,253,482,699.04
  5. Step 5: Solve for x
    x = 3,408,253,482,699.04/1,838,309.70
  6. Step 6: Final answer
    x = 1,854,014.85

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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.