Finding the Fourth Proportional to 5,376,595.20, 8,064,892.80 and 4,313,713.20
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Solution
The fourth proportional to 5,376,595.20, 8,064,892.80 and 4,313,713.20 is: 6,470,569.80
Step by Step Solution
- Step 1: Write the proportion equation
5,376,595.20 : 8,064,892.80 = 4,313,713.20 : x - Step 2: Convert to fraction form
5,376,595.20/8,064,892.80 = 4,313,713.20/x - Step 3: Cross multiply
5,376,595.20x = 8,064,892.80 × 4,313,713.20 - Step 4: Simplify right side
5,376,595.20x = 34,789,634,527,944.96 - Step 5: Solve for x
x = 34,789,634,527,944.96/5,376,595.20 - Step 6: Final answer
x = 6,470,569.80
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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.