Finding the Fourth Proportional to 2,386,761.42, 3,580,260.18 and 681,156.12
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Solution
The fourth proportional to 2,386,761.42, 3,580,260.18 and 681,156.12 is: 1,021,767.87
Step by Step Solution
- Step 1: Write the proportion equation
2,386,761.42 : 3,580,260.18 = 681,156.12 : x - Step 2: Convert to fraction form
2,386,761.42/3,580,260.18 = 681,156.12/x - Step 3: Cross multiply
2,386,761.42x = 3,580,260.18 × 681,156.12 - Step 4: Simplify right side
2,386,761.42x = 2,438,716,132,799.30 - Step 5: Solve for x
x = 2,438,716,132,799.30/2,386,761.42 - Step 6: Final answer
x = 1,021,767.87
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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.