Finding the Fourth Proportional to 5,881,201.70, 8,821,802.55 and 5,172,613.70
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Solution
The fourth proportional to 5,881,201.70, 8,821,802.55 and 5,172,613.70 is: 7,758,920.55
Step by Step Solution
- Step 1: Write the proportion equation
5,881,201.70 : 8,821,802.55 = 5,172,613.70 : x - Step 2: Convert to fraction form
5,881,201.70/8,821,802.55 = 5,172,613.70/x - Step 3: Cross multiply
5,881,201.70x = 8,821,802.55 × 5,172,613.70 - Step 4: Simplify right side
5,881,201.70x = 45,631,776,728,824.94 - Step 5: Solve for x
x = 45,631,776,728,824.94/5,881,201.70 - Step 6: Final answer
x = 7,758,920.55
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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.