Finding the Fourth Proportional to 6,688,343.25, 9,229,604.81 and 3,787,754.88
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Solution
The fourth proportional to 6,688,343.25, 9,229,604.81 and 3,787,754.88 is: 5,226,926.81
Step by Step Solution
- Step 1: Write the proportion equation
6,688,343.25 : 9,229,604.81 = 3,787,754.88 : x - Step 2: Convert to fraction form
6,688,343.25/9,229,604.81 = 3,787,754.88/x - Step 3: Cross multiply
6,688,343.25x = 9,229,604.81 × 3,787,754.88 - Step 4: Simplify right side
6,688,343.25x = 34,959,480,675,221.21 - Step 5: Solve for x
x = 34,959,480,675,221.21/6,688,343.25 - Step 6: Final answer
x = 5,226,926.81
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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.