Finding the Fourth Proportional to 1,536,699.18, 2,120,647.55 and 848,372.14
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Solution
The fourth proportional to 1,536,699.18, 2,120,647.55 and 848,372.14 is: 1,170,755.03
Step by Step Solution
- Step 1: Write the proportion equation
1,536,699.18 : 2,120,647.55 = 848,372.14 : x - Step 2: Convert to fraction form
1,536,699.18/2,120,647.55 = 848,372.14/x - Step 3: Cross multiply
1,536,699.18x = 2,120,647.55 × 848,372.14 - Step 4: Simplify right side
1,536,699.18x = 1,799,098,300,179.26 - Step 5: Solve for x
x = 1,799,098,300,179.26/1,536,699.18 - Step 6: Final answer
x = 1,170,755.03
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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.