Finding the Fourth Proportional to 6,343,554.07, 8,753,881.98 and 3,442,886.56
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Solution
The fourth proportional to 6,343,554.07, 8,753,881.98 and 3,442,886.56 is: 4,751,062.62
Step by Step Solution
- Step 1: Write the proportion equation
6,343,554.07 : 8,753,881.98 = 3,442,886.56 : x - Step 2: Convert to fraction form
6,343,554.07/8,753,881.98 = 3,442,886.56/x - Step 3: Cross multiply
6,343,554.07x = 8,753,881.98 × 3,442,886.56 - Step 4: Simplify right side
6,343,554.07x = 30,138,622,616,768.19 - Step 5: Solve for x
x = 30,138,622,616,768.19/6,343,554.07 - Step 6: Final answer
x = 4,751,062.62
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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.