Finding the Fourth Proportional to 4,486,418.68, 6,191,226.28 and 2,449,228.18
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Solution
The fourth proportional to 4,486,418.68, 6,191,226.28 and 2,449,228.18 is: 3,379,917.69
Step by Step Solution
- Step 1: Write the proportion equation
4,486,418.68 : 6,191,226.28 = 2,449,228.18 : x - Step 2: Convert to fraction form
4,486,418.68/6,191,226.28 = 2,449,228.18/x - Step 3: Cross multiply
4,486,418.68x = 6,191,226.28 × 2,449,228.18 - Step 4: Simplify right side
4,486,418.68x = 15,163,725,873,732.57 - Step 5: Solve for x
x = 15,163,725,873,732.57/4,486,418.68 - Step 6: Final answer
x = 3,379,917.69
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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.