Finding the Fourth Proportional to 5,018,182.62, 6,923,566.36 and 2,842,380.06
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Solution
The fourth proportional to 5,018,182.62, 6,923,566.36 and 2,842,380.06 is: 3,921,620.32
Step by Step Solution
- Step 1: Write the proportion equation
5,018,182.62 : 6,923,566.36 = 2,842,380.06 : x - Step 2: Convert to fraction form
5,018,182.62/6,923,566.36 = 2,842,380.06/x - Step 3: Cross multiply
5,018,182.62x = 6,923,566.36 × 2,842,380.06 - Step 4: Simplify right side
5,018,182.62x = 19,679,406,916,921.05 - Step 5: Solve for x
x = 19,679,406,916,921.05/5,018,182.62 - Step 6: Final answer
x = 3,921,620.32
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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.