Finding the Fourth Proportional to 5,009,717.46, 6,913,423.20 and 2,717,878.14
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Solution
The fourth proportional to 5,009,717.46, 6,913,423.20 and 2,717,878.14 is: 3,750,678.94
Step by Step Solution
- Step 1: Write the proportion equation
5,009,717.46 : 6,913,423.20 = 2,717,878.14 : x - Step 2: Convert to fraction form
5,009,717.46/6,913,423.20 = 2,717,878.14/x - Step 3: Cross multiply
5,009,717.46x = 6,913,423.20 × 2,717,878.14 - Step 4: Simplify right side
5,009,717.46x = 18,789,841,787,848.85 - Step 5: Solve for x
x = 18,789,841,787,848.85/5,009,717.46 - Step 6: Final answer
x = 3,750,678.94
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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.