Finding the Fourth Proportional to 1,512,747.38, 2,087,552.87 and 824,436.92
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Solution
The fourth proportional to 1,512,747.38, 2,087,552.87 and 824,436.92 is: 1,137,701.96
Step by Step Solution
- Step 1: Write the proportion equation
1,512,747.38 : 2,087,552.87 = 824,436.92 : x - Step 2: Convert to fraction form
1,512,747.38/2,087,552.87 = 824,436.92/x - Step 3: Cross multiply
1,512,747.38x = 2,087,552.87 × 824,436.92 - Step 4: Simplify right side
1,512,747.38x = 1,721,055,658,479.96 - Step 5: Solve for x
x = 1,721,055,658,479.96/1,512,747.38 - Step 6: Final answer
x = 1,137,701.96
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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.