Finding the Fourth Proportional to 1,512,502.47, 2,087,253.60 and 824,174.44
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Solution
The fourth proportional to 1,512,502.47, 2,087,253.60 and 824,174.44 is: 1,137,360.82
Step by Step Solution
- Step 1: Write the proportion equation
1,512,502.47 : 2,087,253.60 = 824,174.44 : x - Step 2: Convert to fraction form
1,512,502.47/2,087,253.60 = 824,174.44/x - Step 3: Cross multiply
1,512,502.47x = 2,087,253.60 × 824,174.44 - Step 4: Simplify right side
1,512,502.47x = 1,720,261,056,481.72 - Step 5: Solve for x
x = 1,720,261,056,481.72/1,512,502.47 - Step 6: Final answer
x = 1,137,360.82
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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.