Finding the Fourth Proportional to 6,418,237.16, 8,857,236.60 and 3,517,565.60
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Solution
The fourth proportional to 6,418,237.16, 8,857,236.60 and 3,517,565.60 is: 4,854,278.52
Step by Step Solution
- Step 1: Write the proportion equation
6,418,237.16 : 8,857,236.60 = 3,517,565.60 : x - Step 2: Convert to fraction form
6,418,237.16/8,857,236.60 = 3,517,565.60/x - Step 3: Cross multiply
6,418,237.16x = 8,857,236.60 × 3,517,565.60 - Step 4: Simplify right side
6,418,237.16x = 31,155,910,730,934.78 - Step 5: Solve for x
x = 31,155,910,730,934.78/6,418,237.16 - Step 6: Final answer
x = 4,854,278.52
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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.