Finding the Fourth Proportional to 1,586,001.19, 2,188,683.84 and 860,849.05
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Solution
The fourth proportional to 1,586,001.19, 2,188,683.84 and 860,849.05 is: 1,187,972.88
Step by Step Solution
- Step 1: Write the proportion equation
1,586,001.19 : 2,188,683.84 = 860,849.05 : x - Step 2: Convert to fraction form
1,586,001.19/2,188,683.84 = 860,849.05/x - Step 3: Cross multiply
1,586,001.19x = 2,188,683.84 × 860,849.05 - Step 4: Simplify right side
1,586,001.19x = 1,884,126,404,414.35 - Step 5: Solve for x
x = 1,884,126,404,414.35/1,586,001.19 - Step 6: Final answer
x = 1,187,972.88
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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.