Finding the Fourth Proportional to 2,971,771.75, 4,101,045.02 and 1,613,644.75
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Solution
The fourth proportional to 2,971,771.75, 4,101,045.02 and 1,613,644.75 is: 2,226,829.76
Step by Step Solution
- Step 1: Write the proportion equation
2,971,771.75 : 4,101,045.02 = 1,613,644.75 : x - Step 2: Convert to fraction form
2,971,771.75/4,101,045.02 = 1,613,644.75/x - Step 3: Cross multiply
2,971,771.75x = 4,101,045.02 × 1,613,644.75 - Step 4: Simplify right side
2,971,771.75x = 6,617,629,766,036.65 - Step 5: Solve for x
x = 6,617,629,766,036.65/2,971,771.75 - Step 6: Final answer
x = 2,226,829.76
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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.