Finding the Fourth Proportional to 1,537,550.76, 2,121,951.24 and 858,618.48
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Solution
The fourth proportional to 1,537,550.76, 2,121,951.24 and 858,618.48 is: 1,184,966.76
Step by Step Solution
- Step 1: Write the proportion equation
1,537,550.76 : 2,121,951.24 = 858,618.48 : x - Step 2: Convert to fraction form
1,537,550.76/2,121,951.24 = 858,618.48/x - Step 3: Cross multiply
1,537,550.76x = 2,121,951.24 × 858,618.48 - Step 4: Simplify right side
1,537,550.76x = 1,821,946,548,322.92 - Step 5: Solve for x
x = 1,821,946,548,322.92/1,537,550.76 - Step 6: Final answer
x = 1,184,966.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.