Finding the Fourth Proportional to 2,660,112.84, 3,663,223.80 and 2,311,091.84
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Solution
The fourth proportional to 2,660,112.84, 3,663,223.80 and 2,311,091.84 is: 3,182,589.29
Step by Step Solution
- Step 1: Write the proportion equation
2,660,112.84 : 3,663,223.80 = 2,311,091.84 : x - Step 2: Convert to fraction form
2,660,112.84/3,663,223.80 = 2,311,091.84/x - Step 3: Cross multiply
2,660,112.84x = 3,663,223.80 × 2,311,091.84 - Step 4: Simplify right side
2,660,112.84x = 8,466,046,632,273.79 - Step 5: Solve for x
x = 8,466,046,632,273.79/2,660,112.84 - Step 6: Final answer
x = 3,182,589.29
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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.