Home / 2,218,434.87-3,327,842.88-778,994.58

Finding the Fourth Proportional to 2,218,434.87, 3,327,842.88 and 778,994.58

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Solution

The fourth proportional to 2,218,434.87, 3,327,842.88 and 778,994.58 is: 1,168,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,434.87 : 3,327,842.88 = 778,994.58 : x
  2. Step 2: Convert to fraction form
    2,218,434.87/3,327,842.88 = 778,994.58/x
  3. Step 3: Cross multiply
    2,218,434.87x = 3,327,842.88 × 778,994.58
  4. Step 4: Simplify right side
    2,218,434.87x = 2,592,371,566,611.59
  5. Step 5: Solve for x
    x = 2,592,371,566,611.59/2,218,434.87
  6. Step 6: Final answer
    x = 1,168,558.79

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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.