Finding the Fourth Proportional to 6,512,195.21, 9,769,703.42 and 1,962,863.42
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Solution
The fourth proportional to 6,512,195.21, 9,769,703.42 and 1,962,863.42 is: 2,944,720.30
Step by Step Solution
- Step 1: Write the proportion equation
6,512,195.21 : 9,769,703.42 = 1,962,863.42 : x - Step 2: Convert to fraction form
6,512,195.21/9,769,703.42 = 1,962,863.42/x - Step 3: Cross multiply
6,512,195.21x = 9,769,703.42 × 1,962,863.42 - Step 4: Simplify right side
6,512,195.21x = 19,176,593,423,425.54 - Step 5: Solve for x
x = 19,176,593,423,425.54/6,512,195.21 - Step 6: Final answer
x = 2,944,720.30
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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.