Finding the Fourth Proportional to 3,798,521.68, 5,241,965.16 and 2,079,654.16
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Solution
The fourth proportional to 3,798,521.68, 5,241,965.16 and 2,079,654.16 is: 2,869,925.61
Step by Step Solution
- Step 1: Write the proportion equation
3,798,521.68 : 5,241,965.16 = 2,079,654.16 : x - Step 2: Convert to fraction form
3,798,521.68/5,241,965.16 = 2,079,654.16/x - Step 3: Cross multiply
3,798,521.68x = 5,241,965.16 × 2,079,654.16 - Step 4: Simplify right side
3,798,521.68x = 10,901,474,651,569.07 - Step 5: Solve for x
x = 10,901,474,651,569.07/3,798,521.68 - Step 6: Final answer
x = 2,869,925.61
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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.