Finding the Fourth Proportional to 1,791,985.97, 2,472,939.56 and 987,169.97
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Solution
The fourth proportional to 1,791,985.97, 2,472,939.56 and 987,169.97 is: 1,362,293.96
Step by Step Solution
- Step 1: Write the proportion equation
1,791,985.97 : 2,472,939.56 = 987,169.97 : x - Step 2: Convert to fraction form
1,791,985.97/2,472,939.56 = 987,169.97/x - Step 3: Cross multiply
1,791,985.97x = 2,472,939.56 × 987,169.97 - Step 4: Simplify right side
1,791,985.97x = 2,441,211,653,956.47 - Step 5: Solve for x
x = 2,441,211,653,956.47/1,791,985.97 - Step 6: Final answer
x = 1,362,293.96
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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.