Finding the Fourth Proportional to 5,455,389.20, 8,182,787.08 and 1,668,872.04
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Solution
The fourth proportional to 5,455,389.20, 8,182,787.08 and 1,668,872.04 is: 2,503,217.29
Step by Step Solution
- Step 1: Write the proportion equation
5,455,389.20 : 8,182,787.08 = 1,668,872.04 : x - Step 2: Convert to fraction form
5,455,389.20/8,182,787.08 = 1,668,872.04/x - Step 3: Cross multiply
5,455,389.20x = 8,182,787.08 × 1,668,872.04 - Step 4: Simplify right side
5,455,389.20x = 13,656,024,567,085.24 - Step 5: Solve for x
x = 13,656,024,567,085.24/5,455,389.20 - Step 6: Final answer
x = 2,503,217.29
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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.