Finding the Fourth Proportional to 5,058,965.10, 6,981,538.14 and 2,767,126.08
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Solution
The fourth proportional to 5,058,965.10, 6,981,538.14 and 2,767,126.08 is: 3,818,724.95
Step by Step Solution
- Step 1: Write the proportion equation
5,058,965.10 : 6,981,538.14 = 2,767,126.08 : x - Step 2: Convert to fraction form
5,058,965.10/6,981,538.14 = 2,767,126.08/x - Step 3: Cross multiply
5,058,965.10x = 6,981,538.14 × 2,767,126.08 - Step 4: Simplify right side
5,058,965.10x = 19,318,796,265,708.69 - Step 5: Solve for x
x = 19,318,796,265,708.69/5,058,965.10 - Step 6: Final answer
x = 3,818,724.95
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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.