Finding the Fourth Proportional to 2,278,491.18, 3,415,725.42 and 859,543.74
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Solution
The fourth proportional to 2,278,491.18, 3,415,725.42 and 859,543.74 is: 1,288,556.84
Step by Step Solution
- Step 1: Write the proportion equation
2,278,491.18 : 3,415,725.42 = 859,543.74 : x - Step 2: Convert to fraction form
2,278,491.18/3,415,725.42 = 859,543.74/x - Step 3: Cross multiply
2,278,491.18x = 3,415,725.42 × 859,543.74 - Step 4: Simplify right side
2,278,491.18x = 2,935,965,402,319.87 - Step 5: Solve for x
x = 2,935,965,402,319.87/2,278,491.18 - Step 6: Final answer
x = 1,288,556.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.