Finding the Fourth Proportional to 4,217,673.20, 6,329,231.40 and 2,325,772.40
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Solution
The fourth proportional to 4,217,673.20, 6,329,231.40 and 2,325,772.40 is: 3,490,159.39
Step by Step Solution
- Step 1: Write the proportion equation
4,217,673.20 : 6,329,231.40 = 2,325,772.40 : x - Step 2: Convert to fraction form
4,217,673.20/6,329,231.40 = 2,325,772.40/x - Step 3: Cross multiply
4,217,673.20x = 6,329,231.40 × 2,325,772.40 - Step 4: Simplify right side
4,217,673.20x = 14,720,351,703,333.36 - Step 5: Solve for x
x = 14,720,351,703,333.36/4,217,673.20 - Step 6: Final answer
x = 3,490,159.39
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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.