Finding the Fourth Proportional to 1,791,850.70, 2,472,726.75 and 987,034.70
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Solution
The fourth proportional to 1,791,850.70, 2,472,726.75 and 987,034.70 is: 1,362,092.89
Step by Step Solution
- Step 1: Write the proportion equation
1,791,850.70 : 2,472,726.75 = 987,034.70 : x - Step 2: Convert to fraction form
1,791,850.70/2,472,726.75 = 987,034.70/x - Step 3: Cross multiply
1,791,850.70x = 2,472,726.75 × 987,034.70 - Step 4: Simplify right side
1,791,850.70x = 2,440,667,105,868.23 - Step 5: Solve for x
x = 2,440,667,105,868.23/1,791,850.70 - Step 6: Final answer
x = 1,362,092.89
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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.