Finding the Fourth Proportional to 4,814,121.35, 6,644,219.24 and 3,072,542.51
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Solution
The fourth proportional to 4,814,121.35, 6,644,219.24 and 3,072,542.51 is: 4,240,575.71
Step by Step Solution
- Step 1: Write the proportion equation
4,814,121.35 : 6,644,219.24 = 3,072,542.51 : x - Step 2: Convert to fraction form
4,814,121.35/6,644,219.24 = 3,072,542.51/x - Step 3: Cross multiply
4,814,121.35x = 6,644,219.24 × 3,072,542.51 - Step 4: Simplify right side
4,814,121.35x = 20,414,646,035,120.15 - Step 5: Solve for x
x = 20,414,646,035,120.15/4,814,121.35 - Step 6: Final answer
x = 4,240,575.71
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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.