Home / 2,328,269.20-3,488,200.80-978,015.40

Finding the Fourth Proportional to 2,328,269.20, 3,488,200.80 and 978,015.40

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Solution

The fourth proportional to 2,328,269.20, 3,488,200.80 and 978,015.40 is: 1,465,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,269.20 : 3,488,200.80 = 978,015.40 : x
  2. Step 2: Convert to fraction form
    2,328,269.20/3,488,200.80 = 978,015.40/x
  3. Step 3: Cross multiply
    2,328,269.20x = 3,488,200.80 × 978,015.40
  4. Step 4: Simplify right side
    2,328,269.20x = 3,411,514,100,692.32
  5. Step 5: Solve for x
    x = 3,411,514,100,692.32/2,328,269.20
  6. Step 6: Final answer
    x = 1,465,257.58

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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.