Finding the Fourth Proportional to 7,406,804.80, 11,107,901.26 and 2,613,371.02
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Solution
The fourth proportional to 7,406,804.80, 11,107,901.26 and 2,613,371.02 is: 3,919,242.91
Step by Step Solution
- Step 1: Write the proportion equation
7,406,804.80 : 11,107,901.26 = 2,613,371.02 : x - Step 2: Convert to fraction form
7,406,804.80/11,107,901.26 = 2,613,371.02/x - Step 3: Cross multiply
7,406,804.80x = 11,107,901.26 × 2,613,371.02 - Step 4: Simplify right side
7,406,804.80x = 29,029,067,177,299.13 - Step 5: Solve for x
x = 29,029,067,177,299.13/7,406,804.80 - Step 6: Final answer
x = 3,919,242.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.