Finding the Fourth Proportional to 1,581,419.96, 2,182,350.36 and 856,252.70
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Solution
The fourth proportional to 1,581,419.96, 2,182,350.36 and 856,252.70 is: 1,181,623.75
Step by Step Solution
- Step 1: Write the proportion equation
1,581,419.96 : 2,182,350.36 = 856,252.70 : x - Step 2: Convert to fraction form
1,581,419.96/2,182,350.36 = 856,252.70/x - Step 3: Cross multiply
1,581,419.96x = 2,182,350.36 × 856,252.70 - Step 4: Simplify right side
1,581,419.96x = 1,868,643,388,095.97 - Step 5: Solve for x
x = 1,868,643,388,095.97/1,581,419.96 - Step 6: Final answer
x = 1,181,623.75
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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.