Finding the Fourth Proportional to 2,478,311.17, 3,715,301.62 and 960,948.70
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Solution
The fourth proportional to 2,478,311.17, 3,715,301.62 and 960,948.70 is: 1,440,583.53
Step by Step Solution
- Step 1: Write the proportion equation
2,478,311.17 : 3,715,301.62 = 960,948.70 : x - Step 2: Convert to fraction form
2,478,311.17/3,715,301.62 = 960,948.70/x - Step 3: Cross multiply
2,478,311.17x = 3,715,301.62 × 960,948.70 - Step 4: Simplify right side
2,478,311.17x = 3,570,214,261,846.89 - Step 5: Solve for x
x = 3,570,214,261,846.89/2,478,311.17 - Step 6: Final answer
x = 1,440,583.53
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1.5x scale
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.