Finding the Fourth Proportional to 1,643,454.43, 2,267,837.99 and 908,377.81
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Solution
The fourth proportional to 1,643,454.43, 2,267,837.99 and 908,377.81 is: 1,253,490.00
Step by Step Solution
- Step 1: Write the proportion equation
1,643,454.43 : 2,267,837.99 = 908,377.81 : x - Step 2: Convert to fraction form
1,643,454.43/2,267,837.99 = 908,377.81/x - Step 3: Cross multiply
1,643,454.43x = 2,267,837.99 × 908,377.81 - Step 4: Simplify right side
1,643,454.43x = 2,060,053,690,909.92 - Step 5: Solve for x
x = 2,060,053,690,909.92/1,643,454.43 - Step 6: Final answer
x = 1,253,490.00
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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.