Finding the Fourth Proportional to 5,173,149.65, 7,138,214.30 and 2,937,849.75
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Solution
The fourth proportional to 5,173,149.65, 7,138,214.30 and 2,937,849.75 is: 4,053,816.83
Step by Step Solution
- Step 1: Write the proportion equation
5,173,149.65 : 7,138,214.30 = 2,937,849.75 : x - Step 2: Convert to fraction form
5,173,149.65/7,138,214.30 = 2,937,849.75/x - Step 3: Cross multiply
5,173,149.65x = 7,138,214.30 × 2,937,849.75 - Step 4: Simplify right side
5,173,149.65x = 20,971,001,104,046.05 - Step 5: Solve for x
x = 20,971,001,104,046.05/5,173,149.65 - Step 6: Final answer
x = 4,053,816.83
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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.