Finding the Fourth Proportional to 2,136,596.16, 2,948,503.38 and 1,169,787.84
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Solution
The fourth proportional to 2,136,596.16, 2,948,503.38 and 1,169,787.84 is: 1,614,307.59
Step by Step Solution
- Step 1: Write the proportion equation
2,136,596.16 : 2,948,503.38 = 1,169,787.84 : x - Step 2: Convert to fraction form
2,136,596.16/2,948,503.38 = 1,169,787.84/x - Step 3: Cross multiply
2,136,596.16x = 2,948,503.38 × 1,169,787.84 - Step 4: Simplify right side
2,136,596.16x = 3,449,123,400,122.90 - Step 5: Solve for x
x = 3,449,123,400,122.90/2,136,596.16 - Step 6: Final answer
x = 1,614,307.59
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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.