Finding the Fourth Proportional to 1,454,677.79, 2,007,638.66 and 881,644.91
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Solution
The fourth proportional to 1,454,677.79, 2,007,638.66 and 881,644.91 is: 1,216,781.07
Step by Step Solution
- Step 1: Write the proportion equation
1,454,677.79 : 2,007,638.66 = 881,644.91 : x - Step 2: Convert to fraction form
1,454,677.79/2,007,638.66 = 881,644.91/x - Step 3: Cross multiply
1,454,677.79x = 2,007,638.66 × 881,644.91 - Step 4: Simplify right side
1,454,677.79x = 1,770,024,397,874.14 - Step 5: Solve for x
x = 1,770,024,397,874.14/1,454,677.79 - Step 6: Final answer
x = 1,216,781.07
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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.