Finding the Fourth Proportional to 2,136,305.87, 2,948,101.88 and 1,169,436.81
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Solution
The fourth proportional to 2,136,305.87, 2,948,101.88 and 1,169,436.81 is: 1,613,822.68
Step by Step Solution
- Step 1: Write the proportion equation
2,136,305.87 : 2,948,101.88 = 1,169,436.81 : x - Step 2: Convert to fraction form
2,136,305.87/2,948,101.88 = 1,169,436.81/x - Step 3: Cross multiply
2,136,305.87x = 2,948,101.88 × 1,169,436.81 - Step 4: Simplify right side
2,136,305.87x = 3,447,618,852,255.02 - Step 5: Solve for x
x = 3,447,618,852,255.02/2,136,305.87 - Step 6: Final answer
x = 1,613,822.68
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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.