Finding the Fourth Proportional to 1,643,451.30, 2,267,833.68 and 908,374.68
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Solution
The fourth proportional to 1,643,451.30, 2,267,833.68 and 908,374.68 is: 1,253,485.69
Step by Step Solution
- Step 1: Write the proportion equation
1,643,451.30 : 2,267,833.68 = 908,374.68 : x - Step 2: Convert to fraction form
1,643,451.30/2,267,833.68 = 908,374.68/x - Step 3: Cross multiply
1,643,451.30x = 2,267,833.68 × 908,374.68 - Step 4: Simplify right side
1,643,451.30x = 2,060,042,693,363.22 - Step 5: Solve for x
x = 2,060,042,693,363.22/1,643,451.30 - Step 6: Final answer
x = 1,253,485.69
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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.