Finding the Fourth Proportional to 1,512,757.71, 2,087,658.63 and 824,486.94
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Solution
The fourth proportional to 1,512,757.71, 2,087,658.63 and 824,486.94 is: 1,137,820.86
Step by Step Solution
- Step 1: Write the proportion equation
1,512,757.71 : 2,087,658.63 = 824,486.94 : x - Step 2: Convert to fraction form
1,512,757.71/2,087,658.63 = 824,486.94/x - Step 3: Cross multiply
1,512,757.71x = 2,087,658.63 × 824,486.94 - Step 4: Simplify right side
1,512,757.71x = 1,721,247,275,613.29 - Step 5: Solve for x
x = 1,721,247,275,613.29/1,512,757.71 - Step 6: Final answer
x = 1,137,820.86
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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.