Finding the Fourth Proportional to 1,517,778.06, 2,272,587.21 and 1,156,226.46
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Solution
The fourth proportional to 1,517,778.06, 2,272,587.21 and 1,156,226.46 is: 1,731,231.68
Step by Step Solution
- Step 1: Write the proportion equation
1,517,778.06 : 2,272,587.21 = 1,156,226.46 : x - Step 2: Convert to fraction form
1,517,778.06/2,272,587.21 = 1,156,226.46/x - Step 3: Cross multiply
1,517,778.06x = 2,272,587.21 × 1,156,226.46 - Step 4: Simplify right side
1,517,778.06x = 2,627,625,464,859.58 - Step 5: Solve for x
x = 2,627,625,464,859.58/1,517,778.06 - Step 6: Final answer
x = 1,731,231.68
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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.