Home / 2,810,509.20-4,215,326.40-788,554.80

Finding the Fourth Proportional to 2,810,509.20, 4,215,326.40 and 788,554.80

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Solution

The fourth proportional to 2,810,509.20, 4,215,326.40 and 788,554.80 is: 1,182,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,509.20 : 4,215,326.40 = 788,554.80 : x
  2. Step 2: Convert to fraction form
    2,810,509.20/4,215,326.40 = 788,554.80/x
  3. Step 3: Cross multiply
    2,810,509.20x = 4,215,326.40 × 788,554.80
  4. Step 4: Simplify right side
    2,810,509.20x = 3,324,015,866,286.72
  5. Step 5: Solve for x
    x = 3,324,015,866,286.72/2,810,509.20
  6. Step 6: Final answer
    x = 1,182,709.48

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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.