Finding the Fourth Proportional to 1,921,188.14, 2,649,866.91 and 1,467,691.82
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Solution
The fourth proportional to 1,921,188.14, 2,649,866.91 and 1,467,691.82 is: 2,024,366.02
Step by Step Solution
- Step 1: Write the proportion equation
1,921,188.14 : 2,649,866.91 = 1,467,691.82 : x - Step 2: Convert to fraction form
1,921,188.14/2,649,866.91 = 1,467,691.82/x - Step 3: Cross multiply
1,921,188.14x = 2,649,866.91 × 1,467,691.82 - Step 4: Simplify right side
1,921,188.14x = 3,889,187,987,895.68 - Step 5: Solve for x
x = 3,889,187,987,895.68/1,921,188.14 - Step 6: Final answer
x = 2,024,366.02
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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.