Finding the Fourth Proportional to 5,018,182.74, 6,923,566.53 and 2,842,380.18
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Solution
The fourth proportional to 5,018,182.74, 6,923,566.53 and 2,842,380.18 is: 3,921,620.49
Step by Step Solution
- Step 1: Write the proportion equation
5,018,182.74 : 6,923,566.53 = 2,842,380.18 : x - Step 2: Convert to fraction form
5,018,182.74/6,923,566.53 = 2,842,380.18/x - Step 3: Cross multiply
5,018,182.74x = 6,923,566.53 × 2,842,380.18 - Step 4: Simplify right side
5,018,182.74x = 19,679,408,279,783.38 - Step 5: Solve for x
x = 19,679,408,279,783.38/5,018,182.74 - Step 6: Final answer
x = 3,921,620.49
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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.