Finding the Fourth Proportional to 5,292,263.10, 7,307,436.84 and 4,066,636.70
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Solution
The fourth proportional to 5,292,263.10, 7,307,436.84 and 4,066,636.70 is: 5,615,119.71
Step by Step Solution
- Step 1: Write the proportion equation
5,292,263.10 : 7,307,436.84 = 4,066,636.70 : x - Step 2: Convert to fraction form
5,292,263.10/7,307,436.84 = 4,066,636.70/x - Step 3: Cross multiply
5,292,263.10x = 7,307,436.84 × 4,066,636.70 - Step 4: Simplify right side
5,292,263.10x = 29,716,690,836,476.03 - Step 5: Solve for x
x = 29,716,690,836,476.03/5,292,263.10 - Step 6: Final answer
x = 5,615,119.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.