Finding the Fourth Proportional to 2,121,338.43, 2,927,454.62 and 1,154,480.31
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Solution
The fourth proportional to 2,121,338.43, 2,927,454.62 and 1,154,480.31 is: 1,593,186.95
Step by Step Solution
- Step 1: Write the proportion equation
2,121,338.43 : 2,927,454.62 = 1,154,480.31 : x - Step 2: Convert to fraction form
2,121,338.43/2,927,454.62 = 1,154,480.31/x - Step 3: Cross multiply
2,121,338.43x = 2,927,454.62 × 1,154,480.31 - Step 4: Simplify right side
2,121,338.43x = 3,379,688,711,436.13 - Step 5: Solve for x
x = 3,379,688,711,436.13/2,121,338.43 - Step 6: Final answer
x = 1,593,186.95
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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.