Finding the Fourth Proportional to 5,063,964.14, 6,988,269.98 and 2,740,856.25
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Solution
The fourth proportional to 5,063,964.14, 6,988,269.98 and 2,740,856.25 is: 3,782,381.34
Step by Step Solution
- Step 1: Write the proportion equation
5,063,964.14 : 6,988,269.98 = 2,740,856.25 : x - Step 2: Convert to fraction form
5,063,964.14/6,988,269.98 = 2,740,856.25/x - Step 3: Cross multiply
5,063,964.14x = 6,988,269.98 × 2,740,856.25 - Step 4: Simplify right side
5,063,964.14x = 19,153,843,451,370.38 - Step 5: Solve for x
x = 19,153,843,451,370.38/5,063,964.14 - Step 6: Final answer
x = 3,782,381.34
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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.