Finding the Fourth Proportional to 4,861,663.35, 6,709,081.66 and 2,686,191.01
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Solution
The fourth proportional to 4,861,663.35, 6,709,081.66 and 2,686,191.01 is: 3,706,935.98
Step by Step Solution
- Step 1: Write the proportion equation
4,861,663.35 : 6,709,081.66 = 2,686,191.01 : x - Step 2: Convert to fraction form
4,861,663.35/6,709,081.66 = 2,686,191.01/x - Step 3: Cross multiply
4,861,663.35x = 6,709,081.66 × 2,686,191.01 - Step 4: Simplify right side
4,861,663.35x = 18,021,874,817,899.53 - Step 5: Solve for x
x = 18,021,874,817,899.53/4,861,663.35 - Step 6: Final answer
x = 3,706,935.98
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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.