Finding the Fourth Proportional to 7,479,201.08, 11,218,800.93 and 1,799,425.40
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Solution
The fourth proportional to 7,479,201.08, 11,218,800.93 and 1,799,425.40 is: 2,699,137.93
Step by Step Solution
- Step 1: Write the proportion equation
7,479,201.08 : 11,218,800.93 = 1,799,425.40 : x - Step 2: Convert to fraction form
7,479,201.08/11,218,800.93 = 1,799,425.40/x - Step 3: Cross multiply
7,479,201.08x = 11,218,800.93 × 1,799,425.40 - Step 4: Simplify right side
7,479,201.08x = 20,187,395,350,985.62 - Step 5: Solve for x
x = 20,187,395,350,985.62/7,479,201.08 - Step 6: Final answer
x = 2,699,137.93
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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.