Finding the Fourth Proportional to 5,122,463.43, 7,069,002.06 and 2,830,624.14
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Solution
The fourth proportional to 5,122,463.43, 7,069,002.06 and 2,830,624.14 is: 3,906,262.71
Step by Step Solution
- Step 1: Write the proportion equation
5,122,463.43 : 7,069,002.06 = 2,830,624.14 : x - Step 2: Convert to fraction form
5,122,463.43/7,069,002.06 = 2,830,624.14/x - Step 3: Cross multiply
5,122,463.43x = 7,069,002.06 × 2,830,624.14 - Step 4: Simplify right side
5,122,463.43x = 20,009,687,876,745.73 - Step 5: Solve for x
x = 20,009,687,876,745.73/5,122,463.43 - Step 6: Final answer
x = 3,906,262.71
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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.