Finding the Fourth Proportional to 6,102,088.72, 8,419,947.24 and 3,654,126.48
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Solution
The fourth proportional to 6,102,088.72, 8,419,947.24 and 3,654,126.48 is: 5,042,134.52
Step by Step Solution
- Step 1: Write the proportion equation
6,102,088.72 : 8,419,947.24 = 3,654,126.48 : x - Step 2: Convert to fraction form
6,102,088.72/8,419,947.24 = 3,654,126.48/x - Step 3: Cross multiply
6,102,088.72x = 8,419,947.24 × 3,654,126.48 - Step 4: Simplify right side
6,102,088.72x = 30,767,552,169,886.91 - Step 5: Solve for x
x = 30,767,552,169,886.91/6,102,088.72 - Step 6: Final answer
x = 5,042,134.52
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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.