Finding the Fourth Proportional to 4,542,378.12, 6,270,580.98 and 2,800,358.82
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Solution
The fourth proportional to 4,542,378.12, 6,270,580.98 and 2,800,358.82 is: 3,865,789.30
Step by Step Solution
- Step 1: Write the proportion equation
4,542,378.12 : 6,270,580.98 = 2,800,358.82 : x - Step 2: Convert to fraction form
4,542,378.12/6,270,580.98 = 2,800,358.82/x - Step 3: Cross multiply
4,542,378.12x = 6,270,580.98 × 2,800,358.82 - Step 4: Simplify right side
4,542,378.12x = 17,559,876,753,867.24 - Step 5: Solve for x
x = 17,559,876,753,867.24/4,542,378.12 - Step 6: Final answer
x = 3,865,789.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.