Finding the Fourth Proportional to 4,432,218.08, 6,115,419.20 and 2,689,848.84
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Solution
The fourth proportional to 4,432,218.08, 6,115,419.20 and 2,689,848.84 is: 3,711,359.19
Step by Step Solution
- Step 1: Write the proportion equation
4,432,218.08 : 6,115,419.20 = 2,689,848.84 : x - Step 2: Convert to fraction form
4,432,218.08/6,115,419.20 = 2,689,848.84/x - Step 3: Cross multiply
4,432,218.08x = 6,115,419.20 × 2,689,848.84 - Step 4: Simplify right side
4,432,218.08x = 16,449,553,270,891.17 - Step 5: Solve for x
x = 16,449,553,270,891.17/4,432,218.08 - Step 6: Final answer
x = 3,711,359.19
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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.