Home / 3,012,480.03-4,519,485.50-853,502.79

Finding the Fourth Proportional to 3,012,480.03, 4,519,485.50 and 853,502.79

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Solution

The fourth proportional to 3,012,480.03, 4,519,485.50 and 853,502.79 is: 1,280,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,480.03 : 4,519,485.50 = 853,502.79 : x
  2. Step 2: Convert to fraction form
    3,012,480.03/4,519,485.50 = 853,502.79/x
  3. Step 3: Cross multiply
    3,012,480.03x = 4,519,485.50 × 853,502.79
  4. Step 4: Simplify right side
    3,012,480.03x = 3,857,393,479,347.03
  5. Step 5: Solve for x
    x = 3,857,393,479,347.03/3,012,480.03
  6. Step 6: Final answer
    x = 1,280,471.05

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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.