Finding the Fourth Proportional to 2,136,305.62, 2,948,101.53 and 1,169,436.56
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Solution
The fourth proportional to 2,136,305.62, 2,948,101.53 and 1,169,436.56 is: 1,613,822.33
Step by Step Solution
- Step 1: Write the proportion equation
2,136,305.62 : 2,948,101.53 = 1,169,436.56 : x - Step 2: Convert to fraction form
2,136,305.62/2,948,101.53 = 1,169,436.56/x - Step 3: Cross multiply
2,136,305.62x = 2,948,101.53 × 1,169,436.56 - Step 4: Simplify right side
2,136,305.62x = 3,447,617,711,773.94 - Step 5: Solve for x
x = 3,447,617,711,773.94/2,136,305.62 - Step 6: Final answer
x = 1,613,822.33
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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.