Finding the Fourth Proportional to 5,011,010.17, 6,915,212.39 and 2,719,170.79
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Solution
The fourth proportional to 5,011,010.17, 6,915,212.39 and 2,719,170.79 is: 3,752,465.65
Step by Step Solution
- Step 1: Write the proportion equation
5,011,010.17 : 6,915,212.39 = 2,719,170.79 : x - Step 2: Convert to fraction form
5,011,010.17/6,915,212.39 = 2,719,170.79/x - Step 3: Cross multiply
5,011,010.17x = 6,915,212.39 × 2,719,170.79 - Step 4: Simplify right side
5,011,010.17x = 18,803,643,537,534.09 - Step 5: Solve for x
x = 18,803,643,537,534.09/5,011,010.17 - Step 6: Final answer
x = 3,752,465.65
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1.5x scale
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.