Finding the Fourth Proportional to 1,752,478.38, 2,418,493.68 and 988,531.74
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Solution
The fourth proportional to 1,752,478.38, 2,418,493.68 and 988,531.74 is: 1,364,215.27
Step by Step Solution
- Step 1: Write the proportion equation
1,752,478.38 : 2,418,493.68 = 988,531.74 : x - Step 2: Convert to fraction form
1,752,478.38/2,418,493.68 = 988,531.74/x - Step 3: Cross multiply
1,752,478.38x = 2,418,493.68 × 988,531.74 - Step 4: Simplify right side
1,752,478.38x = 2,390,757,765,669.40 - Step 5: Solve for x
x = 2,390,757,765,669.40/1,752,478.38 - Step 6: Final answer
x = 1,364,215.27
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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.