Finding the Fourth Proportional to 1,544,149.76, 2,131,056.07 and 855,989.96
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Solution
The fourth proportional to 1,544,149.76, 2,131,056.07 and 855,989.96 is: 1,181,337.87
Step by Step Solution
- Step 1: Write the proportion equation
1,544,149.76 : 2,131,056.07 = 855,989.96 : x - Step 2: Convert to fraction form
1,544,149.76/2,131,056.07 = 855,989.96/x - Step 3: Cross multiply
1,544,149.76x = 2,131,056.07 × 855,989.96 - Step 4: Simplify right side
1,544,149.76x = 1,824,162,587,321.80 - Step 5: Solve for x
x = 1,824,162,587,321.80/1,544,149.76 - Step 6: Final answer
x = 1,181,337.87
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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.