Finding the Fourth Proportional to 1,675,836.43, 2,312,251.15 and 987,536.47
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Solution
The fourth proportional to 1,675,836.43, 2,312,251.15 and 987,536.47 is: 1,362,562.78
Step by Step Solution
- Step 1: Write the proportion equation
1,675,836.43 : 2,312,251.15 = 987,536.47 : x - Step 2: Convert to fraction form
1,675,836.43/2,312,251.15 = 987,536.47/x - Step 3: Cross multiply
1,675,836.43x = 2,312,251.15 × 987,536.47 - Step 4: Simplify right side
1,675,836.43x = 2,283,432,338,424.44 - Step 5: Solve for x
x = 2,283,432,338,424.44/1,675,836.43 - Step 6: Final answer
x = 1,362,562.78
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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.