Finding the Fourth Proportional to 2,092,531.42, 3,138,782.01 and 1,385,723.26
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Solution
The fourth proportional to 2,092,531.42, 3,138,782.01 and 1,385,723.26 is: 2,078,574.88
Step by Step Solution
- Step 1: Write the proportion equation
2,092,531.42 : 3,138,782.01 = 1,385,723.26 : x - Step 2: Convert to fraction form
2,092,531.42/3,138,782.01 = 1,385,723.26/x - Step 3: Cross multiply
2,092,531.42x = 3,138,782.01 × 1,385,723.26 - Step 4: Simplify right side
2,092,531.42x = 4,349,483,239,326.55 - Step 5: Solve for x
x = 4,349,483,239,326.55/2,092,531.42 - Step 6: Final answer
x = 2,078,574.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.