Finding the Fourth Proportional to 3,887,062.68, 5,364,279.90 and 2,255,346.84
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Solution
The fourth proportional to 3,887,062.68, 5,364,279.90 and 2,255,346.84 is: 3,112,456.04
Step by Step Solution
- Step 1: Write the proportion equation
3,887,062.68 : 5,364,279.90 = 2,255,346.84 : x - Step 2: Convert to fraction form
3,887,062.68/5,364,279.90 = 2,255,346.84/x - Step 3: Cross multiply
3,887,062.68x = 5,364,279.90 × 2,255,346.84 - Step 4: Simplify right side
3,887,062.68x = 12,098,311,721,340.52 - Step 5: Solve for x
x = 12,098,311,721,340.52/3,887,062.68 - Step 6: Final answer
x = 3,112,456.04
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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.