Finding the Fourth Proportional to 5,063,966.14, 6,988,272.74 and 2,740,858.25
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Solution
The fourth proportional to 5,063,966.14, 6,988,272.74 and 2,740,858.25 is: 3,782,384.10
Step by Step Solution
- Step 1: Write the proportion equation
5,063,966.14 : 6,988,272.74 = 2,740,858.25 : x - Step 2: Convert to fraction form
5,063,966.14/6,988,272.74 = 2,740,858.25/x - Step 3: Cross multiply
5,063,966.14x = 6,988,272.74 × 2,740,858.25 - Step 4: Simplify right side
5,063,966.14x = 19,153,864,992,679.11 - Step 5: Solve for x
x = 19,153,864,992,679.11/5,063,966.14 - Step 6: Final answer
x = 3,782,384.10
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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.