Finding the Fourth Proportional to 5,012,110.12, 6,916,718.70 and 2,720,270.84
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Solution
The fourth proportional to 5,012,110.12, 6,916,718.70 and 2,720,270.84 is: 3,753,977.41
Step by Step Solution
- Step 1: Write the proportion equation
5,012,110.12 : 6,916,718.70 = 2,720,270.84 : x - Step 2: Convert to fraction form
5,012,110.12/6,916,718.70 = 2,720,270.84/x - Step 3: Cross multiply
5,012,110.12x = 6,916,718.70 × 2,720,270.84 - Step 4: Simplify right side
5,012,110.12x = 18,815,348,188,092.71 - Step 5: Solve for x
x = 18,815,348,188,092.71/5,012,110.12 - Step 6: Final answer
x = 3,753,977.41
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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.