Finding the Fourth Proportional to 3,720,474.15, 5,577,872.68 and 1,697,303.17
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Solution
The fourth proportional to 3,720,474.15, 5,577,872.68 and 1,697,303.17 is: 2,544,659.80
Step by Step Solution
- Step 1: Write the proportion equation
3,720,474.15 : 5,577,872.68 = 1,697,303.17 : x - Step 2: Convert to fraction form
3,720,474.15/5,577,872.68 = 1,697,303.17/x - Step 3: Cross multiply
3,720,474.15x = 5,577,872.68 × 1,697,303.17 - Step 4: Simplify right side
3,720,474.15x = 9,467,340,981,167.04 - Step 5: Solve for x
x = 9,467,340,981,167.04/3,720,474.15 - Step 6: Final answer
x = 2,544,659.80
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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.