Finding the Fourth Proportional to 5,238,110.08, 7,228,666.56 and 3,091,934.08
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Solution
The fourth proportional to 5,238,110.08, 7,228,666.56 and 3,091,934.08 is: 4,266,913.09
Step by Step Solution
- Step 1: Write the proportion equation
5,238,110.08 : 7,228,666.56 = 3,091,934.08 : x - Step 2: Convert to fraction form
5,238,110.08/7,228,666.56 = 3,091,934.08/x - Step 3: Cross multiply
5,238,110.08x = 7,228,666.56 × 3,091,934.08 - Step 4: Simplify right side
5,238,110.08x = 22,350,560,489,820.36 - Step 5: Solve for x
x = 22,350,560,489,820.36/5,238,110.08 - Step 6: Final answer
x = 4,266,913.09
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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.