Home / 2,590,572.80-3,885,859.20-2,540,806.40

Finding the Fourth Proportional to 2,590,572.80, 3,885,859.20 and 2,540,806.40

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Solution

The fourth proportional to 2,590,572.80, 3,885,859.20 and 2,540,806.40 is: 3,811,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,572.80 : 3,885,859.20 = 2,540,806.40 : x
  2. Step 2: Convert to fraction form
    2,590,572.80/3,885,859.20 = 2,540,806.40/x
  3. Step 3: Cross multiply
    2,590,572.80x = 3,885,859.20 × 2,540,806.40
  4. Step 4: Simplify right side
    2,590,572.80x = 9,873,215,924,858.88
  5. Step 5: Solve for x
    x = 9,873,215,924,858.88/2,590,572.80
  6. Step 6: Final answer
    x = 3,811,209.60

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Similar ratio
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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.