Finding the Fourth Proportional to 2,239,639.18, 3,358,470.48 and 641,839.66
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Solution
The fourth proportional to 2,239,639.18, 3,358,470.48 and 641,839.66 is: 962,476.26
Step by Step Solution
- Step 1: Write the proportion equation
2,239,639.18 : 3,358,470.48 = 641,839.66 : x - Step 2: Convert to fraction form
2,239,639.18/3,358,470.48 = 641,839.66/x - Step 3: Cross multiply
2,239,639.18x = 3,358,470.48 × 641,839.66 - Step 4: Simplify right side
2,239,639.18x = 2,155,599,551,003.24 - Step 5: Solve for x
x = 2,155,599,551,003.24/2,239,639.18 - Step 6: Final answer
x = 962,476.26
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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.