Finding the Fourth Proportional to 1,678,542.12, 2,516,442.66 and 780,545.34
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Solution
The fourth proportional to 1,678,542.12, 2,516,442.66 and 780,545.34 is: 1,170,180.70
Step by Step Solution
- Step 1: Write the proportion equation
1,678,542.12 : 2,516,442.66 = 780,545.34 : x - Step 2: Convert to fraction form
1,678,542.12/2,516,442.66 = 780,545.34/x - Step 3: Cross multiply
1,678,542.12x = 2,516,442.66 × 780,545.34 - Step 4: Simplify right side
1,678,542.12x = 1,964,197,591,640.20 - Step 5: Solve for x
x = 1,964,197,591,640.20/1,678,542.12 - Step 6: Final answer
x = 1,170,180.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.