Finding the Fourth Proportional to 1,555,125.80, 2,332,531.02 and 417,740.26
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Solution
The fourth proportional to 1,555,125.80, 2,332,531.02 and 417,740.26 is: 626,568.03
Step by Step Solution
- Step 1: Write the proportion equation
1,555,125.80 : 2,332,531.02 = 417,740.26 : x - Step 2: Convert to fraction form
1,555,125.80/2,332,531.02 = 417,740.26/x - Step 3: Cross multiply
1,555,125.80x = 2,332,531.02 × 417,740.26 - Step 4: Simplify right side
1,555,125.80x = 974,392,114,752.87 - Step 5: Solve for x
x = 974,392,114,752.87/1,555,125.80 - Step 6: Final answer
x = 626,568.03
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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.