Home / 5,202,291.40-7,179,109.23-2,879,188.44

Finding the Fourth Proportional to 5,202,291.40, 7,179,109.23 and 2,879,188.44

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Solution

The fourth proportional to 5,202,291.40, 7,179,109.23 and 2,879,188.44 is: 3,973,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,291.40 : 7,179,109.23 = 2,879,188.44 : x
  2. Step 2: Convert to fraction form
    5,202,291.40/7,179,109.23 = 2,879,188.44/x
  3. Step 3: Cross multiply
    5,202,291.40x = 7,179,109.23 × 2,879,188.44
  4. Step 4: Simplify right side
    5,202,291.40x = 20,670,008,304,513.30
  5. Step 5: Solve for x
    x = 20,670,008,304,513.30/5,202,291.40
  6. Step 6: Final answer
    x = 3,973,250.77

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1.5x scale

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.