Finding the Fourth Proportional to 4,107,690.78, 5,668,543.35 and 2,272,147.62
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Solution
The fourth proportional to 4,107,690.78, 5,668,543.35 and 2,272,147.62 is: 3,135,525.04
Step by Step Solution
- Step 1: Write the proportion equation
4,107,690.78 : 5,668,543.35 = 2,272,147.62 : x - Step 2: Convert to fraction form
4,107,690.78/5,668,543.35 = 2,272,147.62/x - Step 3: Cross multiply
4,107,690.78x = 5,668,543.35 × 2,272,147.62 - Step 4: Simplify right side
4,107,690.78x = 12,879,767,281,569.33 - Step 5: Solve for x
x = 12,879,767,281,569.33/4,107,690.78 - Step 6: Final answer
x = 3,135,525.04
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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.