Finding the Fourth Proportional to 3,182,849.12, 4,392,387.84 and 1,732,586.24
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Solution
The fourth proportional to 3,182,849.12, 4,392,387.84 and 1,732,586.24 is: 2,390,999.52
Step by Step Solution
- Step 1: Write the proportion equation
3,182,849.12 : 4,392,387.84 = 1,732,586.24 : x - Step 2: Convert to fraction form
3,182,849.12/4,392,387.84 = 1,732,586.24/x - Step 3: Cross multiply
3,182,849.12x = 4,392,387.84 × 1,732,586.24 - Step 4: Simplify right side
3,182,849.12x = 7,610,190,732,327.32 - Step 5: Solve for x
x = 7,610,190,732,327.32/3,182,849.12 - Step 6: Final answer
x = 2,390,999.52
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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.