Finding the Fourth Proportional to 6,646,225.16, 9,172,524.17 and 3,855,963.08
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Solution
The fourth proportional to 6,646,225.16, 9,172,524.17 and 3,855,963.08 is: 5,321,654.58
Step by Step Solution
- Step 1: Write the proportion equation
6,646,225.16 : 9,172,524.17 = 3,855,963.08 : x - Step 2: Convert to fraction form
6,646,225.16/9,172,524.17 = 3,855,963.08/x - Step 3: Cross multiply
6,646,225.16x = 9,172,524.17 × 3,855,963.08 - Step 4: Simplify right side
6,646,225.16x = 35,368,914,549,927.64 - Step 5: Solve for x
x = 35,368,914,549,927.64/6,646,225.16 - Step 6: Final answer
x = 5,321,654.58
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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.