Finding the Fourth Proportional to 6,244,678.68, 8,617,670.91 and 3,491,464.38
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Solution
The fourth proportional to 6,244,678.68, 8,617,670.91 and 3,491,464.38 is: 4,818,228.86
Step by Step Solution
- Step 1: Write the proportion equation
6,244,678.68 : 8,617,670.91 = 3,491,464.38 : x - Step 2: Convert to fraction form
6,244,678.68/8,617,670.91 = 3,491,464.38/x - Step 3: Cross multiply
6,244,678.68x = 8,617,670.91 × 3,491,464.38 - Step 4: Simplify right side
6,244,678.68x = 30,088,291,020,827.18 - Step 5: Solve for x
x = 30,088,291,020,827.18/6,244,678.68 - Step 6: Final answer
x = 4,818,228.86
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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.