Finding the Fourth Proportional to 1,635,690.96, 2,257,095.24 and 1,206,202.32
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Solution
The fourth proportional to 1,635,690.96, 2,257,095.24 and 1,206,202.32 is: 1,664,442.48
Step by Step Solution
- Step 1: Write the proportion equation
1,635,690.96 : 2,257,095.24 = 1,206,202.32 : x - Step 2: Convert to fraction form
1,635,690.96/2,257,095.24 = 1,206,202.32/x - Step 3: Cross multiply
1,635,690.96x = 2,257,095.24 × 1,206,202.32 - Step 4: Simplify right side
1,635,690.96x = 2,722,513,514,948.96 - Step 5: Solve for x
x = 2,722,513,514,948.96/1,635,690.96 - Step 6: Final answer
x = 1,664,442.48
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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.