Finding the Fourth Proportional to 2,092,481.58, 2,887,939.74 and 1,277,159.05
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Solution
The fourth proportional to 2,092,481.58, 2,887,939.74 and 1,277,159.05 is: 1,762,671.85
Step by Step Solution
- Step 1: Write the proportion equation
2,092,481.58 : 2,887,939.74 = 1,277,159.05 : x - Step 2: Convert to fraction form
2,092,481.58/2,887,939.74 = 1,277,159.05/x - Step 3: Cross multiply
2,092,481.58x = 2,887,939.74 × 1,277,159.05 - Step 4: Simplify right side
2,092,481.58x = 3,688,358,374,795.65 - Step 5: Solve for x
x = 3,688,358,374,795.65/2,092,481.58 - Step 6: Final answer
x = 1,762,671.85
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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.