Finding the Fourth Proportional to 4,239,477.20, 6,350,921.40 and 2,551,566.80
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Solution
The fourth proportional to 4,239,477.20, 6,350,921.40 and 2,551,566.80 is: 3,822,358.14
Step by Step Solution
- Step 1: Write the proportion equation
4,239,477.20 : 6,350,921.40 = 2,551,566.80 : x - Step 2: Convert to fraction form
4,239,477.20/6,350,921.40 = 2,551,566.80/x - Step 3: Cross multiply
4,239,477.20x = 6,350,921.40 × 2,551,566.80 - Step 4: Simplify right side
4,239,477.20x = 16,204,800,193,649.52 - Step 5: Solve for x
x = 16,204,800,193,649.52/4,239,477.20 - Step 6: Final answer
x = 3,822,358.14
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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.