Home / 2,389,801.20-3,574,333.80-2,138,895.60

Finding the Fourth Proportional to 2,389,801.20, 3,574,333.80 and 2,138,895.60

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Solution

The fourth proportional to 2,389,801.20, 3,574,333.80 and 2,138,895.60 is: 3,199,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,801.20 : 3,574,333.80 = 2,138,895.60 : x
  2. Step 2: Convert to fraction form
    2,389,801.20/3,574,333.80 = 2,138,895.60/x
  3. Step 3: Cross multiply
    2,389,801.20x = 3,574,333.80 × 2,138,895.60
  4. Step 4: Simplify right side
    2,389,801.20x = 7,645,126,837,751.28
  5. Step 5: Solve for x
    x = 7,645,126,837,751.28/2,389,801.20
  6. Step 6: Final answer
    x = 3,199,063.94

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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.