Finding the Fourth Proportional to 5,423,779.62, 7,484,872.34 and 2,976,549.17
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Solution
The fourth proportional to 5,423,779.62, 7,484,872.34 and 2,976,549.17 is: 4,107,668.84
Step by Step Solution
- Step 1: Write the proportion equation
5,423,779.62 : 7,484,872.34 = 2,976,549.17 : x - Step 2: Convert to fraction form
5,423,779.62/7,484,872.34 = 2,976,549.17/x - Step 3: Cross multiply
5,423,779.62x = 7,484,872.34 × 2,976,549.17 - Step 4: Simplify right side
5,423,779.62x = 22,279,090,542,374.26 - Step 5: Solve for x
x = 22,279,090,542,374.26/5,423,779.62 - Step 6: Final answer
x = 4,107,668.84
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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.