Finding the Fourth Proportional to 5,423,349.83, 7,487,728.73 and 3,360,554.42
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Solution
The fourth proportional to 5,423,349.83, 7,487,728.73 and 3,360,554.42 is: 4,639,737.55
Step by Step Solution
- Step 1: Write the proportion equation
5,423,349.83 : 7,487,728.73 = 3,360,554.42 : x - Step 2: Convert to fraction form
5,423,349.83/7,487,728.73 = 3,360,554.42/x - Step 3: Cross multiply
5,423,349.83x = 7,487,728.73 × 3,360,554.42 - Step 4: Simplify right side
5,423,349.83x = 25,162,919,825,121.07 - Step 5: Solve for x
x = 25,162,919,825,121.07/5,423,349.83 - Step 6: Final answer
x = 4,639,737.55
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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.