Finding the Fourth Proportional to 5,136,965.33, 7,088,925.28 and 2,845,076.81
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Solution
The fourth proportional to 5,136,965.33, 7,088,925.28 and 2,845,076.81 is: 3,926,157.88
Step by Step Solution
- Step 1: Write the proportion equation
5,136,965.33 : 7,088,925.28 = 2,845,076.81 : x - Step 2: Convert to fraction form
5,136,965.33/7,088,925.28 = 2,845,076.81/x - Step 3: Cross multiply
5,136,965.33x = 7,088,925.28 × 2,845,076.81 - Step 4: Simplify right side
5,136,965.33x = 20,168,536,914,838.07 - Step 5: Solve for x
x = 20,168,536,914,838.07/5,136,965.33 - Step 6: Final answer
x = 3,926,157.88
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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.