Finding the Fourth Proportional to 1,517,432.67, 2,274,186.78 and 1,135,355.67
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Solution
The fourth proportional to 1,517,432.67, 2,274,186.78 and 1,135,355.67 is: 1,701,565.35
Step by Step Solution
- Step 1: Write the proportion equation
1,517,432.67 : 2,274,186.78 = 1,135,355.67 : x - Step 2: Convert to fraction form
1,517,432.67/2,274,186.78 = 1,135,355.67/x - Step 3: Cross multiply
1,517,432.67x = 2,274,186.78 × 1,135,355.67 - Step 4: Simplify right side
1,517,432.67x = 2,582,010,855,312.04 - Step 5: Solve for x
x = 2,582,010,855,312.04/1,517,432.67 - Step 6: Final answer
x = 1,701,565.35
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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.