Home / 2,318,350.85-3,199,521.39-1,286,191.23

Finding the Fourth Proportional to 2,318,350.85, 3,199,521.39 and 1,286,191.23

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Solution

The fourth proportional to 2,318,350.85, 3,199,521.39 and 1,286,191.23 is: 1,775,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,350.85 : 3,199,521.39 = 1,286,191.23 : x
  2. Step 2: Convert to fraction form
    2,318,350.85/3,199,521.39 = 1,286,191.23/x
  3. Step 3: Cross multiply
    2,318,350.85x = 3,199,521.39 × 1,286,191.23
  4. Step 4: Simplify right side
    2,318,350.85x = 4,115,196,352,015.41
  5. Step 5: Solve for x
    x = 4,115,196,352,015.41/2,318,350.85
  6. Step 6: Final answer
    x = 1,775,053.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.