Finding the Fourth Proportional to 5,789,931.12, 7,989,950.70 and 3,342,459.42
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Solution
The fourth proportional to 5,789,931.12, 7,989,950.70 and 3,342,459.42 is: 4,612,504.96
Step by Step Solution
- Step 1: Write the proportion equation
5,789,931.12 : 7,989,950.70 = 3,342,459.42 : x - Step 2: Convert to fraction form
5,789,931.12/7,989,950.70 = 3,342,459.42/x - Step 3: Cross multiply
5,789,931.12x = 7,989,950.70 × 3,342,459.42 - Step 4: Simplify right side
5,789,931.12x = 26,706,085,982,550.59 - Step 5: Solve for x
x = 26,706,085,982,550.59/5,789,931.12 - Step 6: Final answer
x = 4,612,504.96
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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.