Finding the Fourth Proportional to 5,774,789.12, 7,967,376.96 and 3,359,874.56
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Solution
The fourth proportional to 5,774,789.12, 7,967,376.96 and 3,359,874.56 is: 4,635,560.99
Step by Step Solution
- Step 1: Write the proportion equation
5,774,789.12 : 7,967,376.96 = 3,359,874.56 : x - Step 2: Convert to fraction form
5,774,789.12/7,967,376.96 = 3,359,874.56/x - Step 3: Cross multiply
5,774,789.12x = 7,967,376.96 × 3,359,874.56 - Step 4: Simplify right side
5,774,789.12x = 26,769,387,157,834.14 - Step 5: Solve for x
x = 26,769,387,157,834.14/5,774,789.12 - Step 6: Final answer
x = 4,635,560.99
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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.