Finding the Fourth Proportional to 1,555,014.77, 2,332,364.49 and 417,629.18
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Solution
The fourth proportional to 1,555,014.77, 2,332,364.49 and 417,629.18 is: 626,401.42
Step by Step Solution
- Step 1: Write the proportion equation
1,555,014.77 : 2,332,364.49 = 417,629.18 : x - Step 2: Convert to fraction form
1,555,014.77/2,332,364.49 = 417,629.18/x - Step 3: Cross multiply
1,555,014.77x = 2,332,364.49 × 417,629.18 - Step 4: Simplify right side
1,555,014.77x = 974,063,457,758.00 - Step 5: Solve for x
x = 974,063,457,758.00/1,555,014.77 - Step 6: Final answer
x = 626,401.42
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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.