Finding the Fourth Proportional to 2,569,879.12, 3,852,106.05 and 862,403.48
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Solution
The fourth proportional to 2,569,879.12, 3,852,106.05 and 862,403.48 is: 1,292,694.91
Step by Step Solution
- Step 1: Write the proportion equation
2,569,879.12 : 3,852,106.05 = 862,403.48 : x - Step 2: Convert to fraction form
2,569,879.12/3,852,106.05 = 862,403.48/x - Step 3: Cross multiply
2,569,879.12x = 3,852,106.05 × 862,403.48 - Step 4: Simplify right side
2,569,879.12x = 3,322,069,662,849.05 - Step 5: Solve for x
x = 3,322,069,662,849.05/2,569,879.12 - Step 6: Final answer
x = 1,292,694.91
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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.