Finding the Fourth Proportional to 1,586,161.98, 2,188,844.28 and 860,994.18
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Solution
The fourth proportional to 1,586,161.98, 2,188,844.28 and 860,994.18 is: 1,188,139.81
Step by Step Solution
- Step 1: Write the proportion equation
1,586,161.98 : 2,188,844.28 = 860,994.18 : x - Step 2: Convert to fraction form
1,586,161.98/2,188,844.28 = 860,994.18/x - Step 3: Cross multiply
1,586,161.98x = 2,188,844.28 × 860,994.18 - Step 4: Simplify right side
1,586,161.98x = 1,884,582,186,006.29 - Step 5: Solve for x
x = 1,884,582,186,006.29/1,586,161.98 - Step 6: Final answer
x = 1,188,139.81
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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.