Finding the Fourth Proportional to 1,678,320.57, 2,316,082.65 and 914,374.14
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Solution
The fourth proportional to 1,678,320.57, 2,316,082.65 and 914,374.14 is: 1,261,836.45
Step by Step Solution
- Step 1: Write the proportion equation
1,678,320.57 : 2,316,082.65 = 914,374.14 : x - Step 2: Convert to fraction form
1,678,320.57/2,316,082.65 = 914,374.14/x - Step 3: Cross multiply
1,678,320.57x = 2,316,082.65 × 914,374.14 - Step 4: Simplify right side
1,678,320.57x = 2,117,766,069,148.46 - Step 5: Solve for x
x = 2,117,766,069,148.46/1,678,320.57 - Step 6: Final answer
x = 1,261,836.45
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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.