Home / 2,102,647.20-3,155,072.40-965,752.80

Finding the Fourth Proportional to 2,102,647.20, 3,155,072.40 and 965,752.80

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Solution

The fourth proportional to 2,102,647.20, 3,155,072.40 and 965,752.80 is: 1,449,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,647.20 : 3,155,072.40 = 965,752.80 : x
  2. Step 2: Convert to fraction form
    2,102,647.20/3,155,072.40 = 965,752.80/x
  3. Step 3: Cross multiply
    2,102,647.20x = 3,155,072.40 × 965,752.80
  4. Step 4: Simplify right side
    2,102,647.20x = 3,047,020,004,502.72
  5. Step 5: Solve for x
    x = 3,047,020,004,502.72/2,102,647.20
  6. Step 6: Final answer
    x = 1,449,135.17

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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.