Finding the Fourth Proportional to 7,479,193.08, 11,218,788.94 and 1,799,417.40
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Solution
The fourth proportional to 7,479,193.08, 11,218,788.94 and 1,799,417.40 is: 2,699,125.94
Step by Step Solution
- Step 1: Write the proportion equation
7,479,193.08 : 11,218,788.94 = 1,799,417.40 : x - Step 2: Convert to fraction form
7,479,193.08/11,218,788.94 = 1,799,417.40/x - Step 3: Cross multiply
7,479,193.08x = 11,218,788.94 × 1,799,417.40 - Step 4: Simplify right side
7,479,193.08x = 20,187,284,025,563.55 - Step 5: Solve for x
x = 20,187,284,025,563.55/7,479,193.08 - Step 6: Final answer
x = 2,699,125.94
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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.