Finding the Fourth Proportional to 3,855,238.08, 5,320,260.06 and 2,136,387.30
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Solution
The fourth proportional to 3,855,238.08, 5,320,260.06 and 2,136,387.30 is: 2,948,231.94
Step by Step Solution
- Step 1: Write the proportion equation
3,855,238.08 : 5,320,260.06 = 2,136,387.30 : x - Step 2: Convert to fraction form
3,855,238.08/5,320,260.06 = 2,136,387.30/x - Step 3: Cross multiply
3,855,238.08x = 5,320,260.06 × 2,136,387.30 - Step 4: Simplify right side
3,855,238.08x = 11,366,136,024,881.24 - Step 5: Solve for x
x = 11,366,136,024,881.24/3,855,238.08 - Step 6: Final answer
x = 2,948,231.94
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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.