Finding the Fourth Proportional to 1,921,186.14, 2,649,864.15 and 1,467,689.82
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Solution
The fourth proportional to 1,921,186.14, 2,649,864.15 and 1,467,689.82 is: 2,024,363.26
Step by Step Solution
- Step 1: Write the proportion equation
1,921,186.14 : 2,649,864.15 = 1,467,689.82 : x - Step 2: Convert to fraction form
1,921,186.14/2,649,864.15 = 1,467,689.82/x - Step 3: Cross multiply
1,921,186.14x = 2,649,864.15 × 1,467,689.82 - Step 4: Simplify right side
1,921,186.14x = 3,889,178,637,337.95 - Step 5: Solve for x
x = 3,889,178,637,337.95/1,921,186.14 - Step 6: Final answer
x = 2,024,363.26
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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.