Finding the Fourth Proportional to 1,478,377.80, 2,214,456.30 and 1,229,545.80
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Solution
The fourth proportional to 1,478,377.80, 2,214,456.30 and 1,229,545.80 is: 1,841,731.82
Step by Step Solution
- Step 1: Write the proportion equation
1,478,377.80 : 2,214,456.30 = 1,229,545.80 : x - Step 2: Convert to fraction form
1,478,377.80/2,214,456.30 = 1,229,545.80/x - Step 3: Cross multiply
1,478,377.80x = 2,214,456.30 × 1,229,545.80 - Step 4: Simplify right side
1,478,377.80x = 2,722,775,442,948.54 - Step 5: Solve for x
x = 2,722,775,442,948.54/1,478,377.80 - Step 6: Final answer
x = 1,841,731.82
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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.