Finding the Fourth Proportional to 2,124,867.42, 2,932,231.49 and 1,157,976.95
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Solution
The fourth proportional to 2,124,867.42, 2,932,231.49 and 1,157,976.95 is: 1,597,961.56
Step by Step Solution
- Step 1: Write the proportion equation
2,124,867.42 : 2,932,231.49 = 1,157,976.95 : x - Step 2: Convert to fraction form
2,124,867.42/2,932,231.49 = 1,157,976.95/x - Step 3: Cross multiply
2,124,867.42x = 2,932,231.49 × 1,157,976.95 - Step 4: Simplify right side
2,124,867.42x = 3,395,456,457,033.11 - Step 5: Solve for x
x = 3,395,456,457,033.11/2,124,867.42 - Step 6: Final answer
x = 1,597,961.56
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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.