Finding the Fourth Proportional to 5,776,382.53, 7,971,701.84 and 3,198,346.93
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Solution
The fourth proportional to 5,776,382.53, 7,971,701.84 and 3,198,346.93 is: 4,413,881.52
Step by Step Solution
- Step 1: Write the proportion equation
5,776,382.53 : 7,971,701.84 = 3,198,346.93 : x - Step 2: Convert to fraction form
5,776,382.53/7,971,701.84 = 3,198,346.93/x - Step 3: Cross multiply
5,776,382.53x = 7,971,701.84 × 3,198,346.93 - Step 4: Simplify right side
5,776,382.53x = 25,496,268,106,839.35 - Step 5: Solve for x
x = 25,496,268,106,839.35/5,776,382.53 - Step 6: Final answer
x = 4,413,881.52
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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.