Finding the Fourth Proportional to 2,288,640.96, 3,158,218.08 and 1,270,036.80
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Solution
The fourth proportional to 2,288,640.96, 3,158,218.08 and 1,270,036.80 is: 1,752,591.71
Step by Step Solution
- Step 1: Write the proportion equation
2,288,640.96 : 3,158,218.08 = 1,270,036.80 : x - Step 2: Convert to fraction form
2,288,640.96/3,158,218.08 = 1,270,036.80/x - Step 3: Cross multiply
2,288,640.96x = 3,158,218.08 × 1,270,036.80 - Step 4: Simplify right side
2,288,640.96x = 4,011,053,184,025.34 - Step 5: Solve for x
x = 4,011,053,184,025.34/2,288,640.96 - Step 6: Final answer
x = 1,752,591.71
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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.