Finding the Fourth Proportional to 3,072,854.70, 4,609,282.05 and 1,478,531.70
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Solution
The fourth proportional to 3,072,854.70, 4,609,282.05 and 1,478,531.70 is: 2,217,797.55
Step by Step Solution
- Step 1: Write the proportion equation
3,072,854.70 : 4,609,282.05 = 1,478,531.70 : x - Step 2: Convert to fraction form
3,072,854.70/4,609,282.05 = 1,478,531.70/x - Step 3: Cross multiply
3,072,854.70x = 4,609,282.05 × 1,478,531.70 - Step 4: Simplify right side
3,072,854.70x = 6,814,969,625,165.99 - Step 5: Solve for x
x = 6,814,969,625,165.99/3,072,854.70 - Step 6: Final answer
x = 2,217,797.55
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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.