Home / 2,389,337.20-3,584,005.80-2,206,860.40

Finding the Fourth Proportional to 2,389,337.20, 3,584,005.80 and 2,206,860.40

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Solution

The fourth proportional to 2,389,337.20, 3,584,005.80 and 2,206,860.40 is: 3,310,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,337.20 : 3,584,005.80 = 2,206,860.40 : x
  2. Step 2: Convert to fraction form
    2,389,337.20/3,584,005.80 = 2,206,860.40/x
  3. Step 3: Cross multiply
    2,389,337.20x = 3,584,005.80 × 2,206,860.40
  4. Step 4: Simplify right side
    2,389,337.20x = 7,909,400,473,390.32
  5. Step 5: Solve for x
    x = 7,909,400,473,390.32/2,389,337.20
  6. Step 6: Final answer
    x = 3,310,290.60

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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.