Finding the Fourth Proportional to 2,279,178.14, 3,145,348.06 and 1,260,590.18
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Solution
The fourth proportional to 2,279,178.14, 3,145,348.06 and 1,260,590.18 is: 1,739,659.92
Step by Step Solution
- Step 1: Write the proportion equation
2,279,178.14 : 3,145,348.06 = 1,260,590.18 : x - Step 2: Convert to fraction form
2,279,178.14/3,145,348.06 = 1,260,590.18/x - Step 3: Cross multiply
2,279,178.14x = 3,145,348.06 × 1,260,590.18 - Step 4: Simplify right side
2,279,178.14x = 3,964,994,858,239.84 - Step 5: Solve for x
x = 3,964,994,858,239.84/2,279,178.14 - Step 6: Final answer
x = 1,739,659.92
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1.5x scale
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.