Finding the Fourth Proportional to 3,246,560.26, 4,479,165.19 and 1,869,876.41
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Solution
The fourth proportional to 3,246,560.26, 4,479,165.19 and 1,869,876.41 is: 2,579,802.82
Step by Step Solution
- Step 1: Write the proportion equation
3,246,560.26 : 4,479,165.19 = 1,869,876.41 : x - Step 2: Convert to fraction form
3,246,560.26/4,479,165.19 = 1,869,876.41/x - Step 3: Cross multiply
3,246,560.26x = 4,479,165.19 × 1,869,876.41 - Step 4: Simplify right side
3,246,560.26x = 8,375,485,309,401.56 - Step 5: Solve for x
x = 8,375,485,309,401.56/3,246,560.26 - Step 6: Final answer
x = 2,579,802.82
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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.