Finding the Fourth Proportional to 4,590,680.74, 6,878,040.98 and 3,221,550.70
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Solution
The fourth proportional to 4,590,680.74, 6,878,040.98 and 3,221,550.70 is: 4,826,725.92
Step by Step Solution
- Step 1: Write the proportion equation
4,590,680.74 : 6,878,040.98 = 3,221,550.70 : x - Step 2: Convert to fraction form
4,590,680.74/6,878,040.98 = 3,221,550.70/x - Step 3: Cross multiply
4,590,680.74x = 6,878,040.98 × 3,221,550.70 - Step 4: Simplify right side
4,590,680.74x = 22,157,957,733,747.69 - Step 5: Solve for x
x = 22,157,957,733,747.69/4,590,680.74 - Step 6: Final answer
x = 4,826,725.92
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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.