Home / 2,043,686.80-3,065,530.20-978,180.40

Finding the Fourth Proportional to 2,043,686.80, 3,065,530.20 and 978,180.40

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Solution

The fourth proportional to 2,043,686.80, 3,065,530.20 and 978,180.40 is: 1,467,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,686.80 : 3,065,530.20 = 978,180.40 : x
  2. Step 2: Convert to fraction form
    2,043,686.80/3,065,530.20 = 978,180.40/x
  3. Step 3: Cross multiply
    2,043,686.80x = 3,065,530.20 × 978,180.40
  4. Step 4: Simplify right side
    2,043,686.80x = 2,998,641,557,248.08
  5. Step 5: Solve for x
    x = 2,998,641,557,248.08/2,043,686.80
  6. Step 6: Final answer
    x = 1,467,270.60

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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.