Home / 2,119,043.60-3,178,494.32-920,965.82

Finding the Fourth Proportional to 2,119,043.60, 3,178,494.32 and 920,965.82

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Solution

The fourth proportional to 2,119,043.60, 3,178,494.32 and 920,965.82 is: 1,381,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,043.60 : 3,178,494.32 = 920,965.82 : x
  2. Step 2: Convert to fraction form
    2,119,043.60/3,178,494.32 = 920,965.82/x
  3. Step 3: Cross multiply
    2,119,043.60x = 3,178,494.32 × 920,965.82
  4. Step 4: Simplify right side
    2,119,043.60x = 2,927,284,607,286.84
  5. Step 5: Solve for x
    x = 2,927,284,607,286.84/2,119,043.60
  6. Step 6: Final answer
    x = 1,381,417.83

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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.