Finding the Fourth Proportional to 2,238,905.68, 3,358,341.76 and 641,470.08
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Solution
The fourth proportional to 2,238,905.68, 3,358,341.76 and 641,470.08 is: 962,200.32
Step by Step Solution
- Step 1: Write the proportion equation
2,238,905.68 : 3,358,341.76 = 641,470.08 : x - Step 2: Convert to fraction form
2,238,905.68/3,358,341.76 = 641,470.08/x - Step 3: Cross multiply
2,238,905.68x = 3,358,341.76 × 641,470.08 - Step 4: Simplify right side
2,238,905.68x = 2,154,275,757,454.54 - Step 5: Solve for x
x = 2,154,275,757,454.54/2,238,905.68 - Step 6: Final answer
x = 962,200.32
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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.