Finding the Fourth Proportional to 1,520,747.75, 2,098,489.44 and 908,778.68
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Solution
The fourth proportional to 1,520,747.75, 2,098,489.44 and 908,778.68 is: 1,254,029.45
Step by Step Solution
- Step 1: Write the proportion equation
1,520,747.75 : 2,098,489.44 = 908,778.68 : x - Step 2: Convert to fraction form
1,520,747.75/2,098,489.44 = 908,778.68/x - Step 3: Cross multiply
1,520,747.75x = 2,098,489.44 × 908,778.68 - Step 4: Simplify right side
1,520,747.75x = 1,907,062,463,277.14 - Step 5: Solve for x
x = 1,907,062,463,277.14/1,520,747.75 - Step 6: Final answer
x = 1,254,029.45
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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.