Finding the Fourth Proportional to 6,689,742.68, 9,233,668.20 and 3,937,312.97
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Solution
The fourth proportional to 6,689,742.68, 9,233,668.20 and 3,937,312.97 is: 5,434,565.02
Step by Step Solution
- Step 1: Write the proportion equation
6,689,742.68 : 9,233,668.20 = 3,937,312.97 : x - Step 2: Convert to fraction form
6,689,742.68/9,233,668.20 = 3,937,312.97/x - Step 3: Cross multiply
6,689,742.68x = 9,233,668.20 × 3,937,312.97 - Step 4: Simplify right side
6,689,742.68x = 36,355,841,567,759.39 - Step 5: Solve for x
x = 36,355,841,567,759.39/6,689,742.68 - Step 6: Final answer
x = 5,434,565.02
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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.