Home / 2,664,965.39-3,999,219.55-1,245,132.18

Finding the Fourth Proportional to 2,664,965.39, 3,999,219.55 and 1,245,132.18

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Solution

The fourth proportional to 2,664,965.39, 3,999,219.55 and 1,245,132.18 is: 1,868,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,965.39 : 3,999,219.55 = 1,245,132.18 : x
  2. Step 2: Convert to fraction form
    2,664,965.39/3,999,219.55 = 1,245,132.18/x
  3. Step 3: Cross multiply
    2,664,965.39x = 3,999,219.55 × 1,245,132.18
  4. Step 4: Simplify right side
    2,664,965.39x = 4,979,556,956,590.12
  5. Step 5: Solve for x
    x = 4,979,556,956,590.12/2,664,965.39
  6. Step 6: Final answer
    x = 1,868,525.94

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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.