Finding the Fourth Proportional to 3,925,514.16, 5,416,263.68 and 2,292,994.80
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Solution
The fourth proportional to 3,925,514.16, 5,416,263.68 and 2,292,994.80 is: 3,163,780.32
Step by Step Solution
- Step 1: Write the proportion equation
3,925,514.16 : 5,416,263.68 = 2,292,994.80 : x - Step 2: Convert to fraction form
3,925,514.16/5,416,263.68 = 2,292,994.80/x - Step 3: Cross multiply
3,925,514.16x = 5,416,263.68 × 2,292,994.80 - Step 4: Simplify right side
3,925,514.16x = 12,419,464,453,668.86 - Step 5: Solve for x
x = 12,419,464,453,668.86/3,925,514.16 - Step 6: Final answer
x = 3,163,780.32
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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.