Finding the Fourth Proportional to 7,189,971.04, 9,922,227.64 and 4,092,343.12
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Solution
The fourth proportional to 7,189,971.04, 9,922,227.64 and 4,092,343.12 is: 5,647,471.98
Step by Step Solution
- Step 1: Write the proportion equation
7,189,971.04 : 9,922,227.64 = 4,092,343.12 : x - Step 2: Convert to fraction form
7,189,971.04/9,922,227.64 = 4,092,343.12/x - Step 3: Cross multiply
7,189,971.04x = 9,922,227.64 × 4,092,343.12 - Step 4: Simplify right side
7,189,971.04x = 40,605,160,017,627.84 - Step 5: Solve for x
x = 40,605,160,017,627.84/7,189,971.04 - Step 6: Final answer
x = 5,647,471.98
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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.