Finding the Fourth Proportional to 5,154,963.84, 7,734,985.92 and 2,317,138.56
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Solution
The fourth proportional to 5,154,963.84, 7,734,985.92 and 2,317,138.56 is: 3,476,849.63
Step by Step Solution
- Step 1: Write the proportion equation
5,154,963.84 : 7,734,985.92 = 2,317,138.56 : x - Step 2: Convert to fraction form
5,154,963.84/7,734,985.92 = 2,317,138.56/x - Step 3: Cross multiply
5,154,963.84x = 7,734,985.92 × 2,317,138.56 - Step 4: Simplify right side
5,154,963.84x = 17,923,034,136,289.07 - Step 5: Solve for x
x = 17,923,034,136,289.07/5,154,963.84 - Step 6: Final answer
x = 3,476,849.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.