Finding the Fourth Proportional to 2,261,957.66, 3,121,489.85 and 1,229,471.00
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Solution
The fourth proportional to 2,261,957.66, 3,121,489.85 and 1,229,471.00 is: 1,696,663.61
Step by Step Solution
- Step 1: Write the proportion equation
2,261,957.66 : 3,121,489.85 = 1,229,471.00 : x - Step 2: Convert to fraction form
2,261,957.66/3,121,489.85 = 1,229,471.00/x - Step 3: Cross multiply
2,261,957.66x = 3,121,489.85 × 1,229,471.00 - Step 4: Simplify right side
2,261,957.66x = 3,837,781,237,320.13 - Step 5: Solve for x
x = 3,837,781,237,320.13/2,261,957.66 - Step 6: Final answer
x = 1,696,663.61
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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.