Finding the Fourth Proportional to 2,136,476.38, 2,948,337.18 and 1,169,603.68
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Solution
The fourth proportional to 2,136,476.38, 2,948,337.18 and 1,169,603.68 is: 1,614,052.96
Step by Step Solution
- Step 1: Write the proportion equation
2,136,476.38 : 2,948,337.18 = 1,169,603.68 : x - Step 2: Convert to fraction form
2,136,476.38/2,948,337.18 = 1,169,603.68/x - Step 3: Cross multiply
2,136,476.38x = 2,948,337.18 × 1,169,603.68 - Step 4: Simplify right side
2,136,476.38x = 3,448,386,015,608.82 - Step 5: Solve for x
x = 3,448,386,015,608.82/2,136,476.38 - Step 6: Final answer
x = 1,614,052.96
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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.