Finding the Fourth Proportional to 1,512,427.07, 2,087,124.86 and 824,108.11
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Solution
The fourth proportional to 1,512,427.07, 2,087,124.86 and 824,108.11 is: 1,137,255.84
Step by Step Solution
- Step 1: Write the proportion equation
1,512,427.07 : 2,087,124.86 = 824,108.11 : x - Step 2: Convert to fraction form
1,512,427.07/2,087,124.86 = 824,108.11/x - Step 3: Cross multiply
1,512,427.07x = 2,087,124.86 × 824,108.11 - Step 4: Simplify right side
1,512,427.07x = 1,720,016,520,551.07 - Step 5: Solve for x
x = 1,720,016,520,551.07/1,512,427.07 - Step 6: Final answer
x = 1,137,255.84
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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.