Finding the Fourth Proportional to 2,114,657.99, 2,918,230.97 and 1,147,788.48
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Solution
The fourth proportional to 2,114,657.99, 2,918,230.97 and 1,147,788.48 is: 1,583,949.70
Step by Step Solution
- Step 1: Write the proportion equation
2,114,657.99 : 2,918,230.97 = 1,147,788.48 : x - Step 2: Convert to fraction form
2,114,657.99/2,918,230.97 = 1,147,788.48/x - Step 3: Cross multiply
2,114,657.99x = 2,918,230.97 × 1,147,788.48 - Step 4: Simplify right side
2,114,657.99x = 3,349,511,881,362.76 - Step 5: Solve for x
x = 3,349,511,881,362.76/2,114,657.99 - Step 6: Final answer
x = 1,583,949.70
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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.