Finding the Fourth Proportional to 1,988,359.26, 2,744,292.99 and 1,172,514.06
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Solution
The fourth proportional to 1,988,359.26, 2,744,292.99 and 1,172,514.06 is: 1,618,280.05
Step by Step Solution
- Step 1: Write the proportion equation
1,988,359.26 : 2,744,292.99 = 1,172,514.06 : x - Step 2: Convert to fraction form
1,988,359.26/2,744,292.99 = 1,172,514.06/x - Step 3: Cross multiply
1,988,359.26x = 2,744,292.99 × 1,172,514.06 - Step 4: Simplify right side
1,988,359.26x = 3,217,722,115,534.44 - Step 5: Solve for x
x = 3,217,722,115,534.44/1,988,359.26 - Step 6: Final answer
x = 1,618,280.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.