Finding the Fourth Proportional to 4,707,564.80, 7,055,817.60 and 2,177,876.48
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Solution
The fourth proportional to 4,707,564.80, 7,055,817.60 and 2,177,876.48 is: 3,264,256.54
Step by Step Solution
- Step 1: Write the proportion equation
4,707,564.80 : 7,055,817.60 = 2,177,876.48 : x - Step 2: Convert to fraction form
4,707,564.80/7,055,817.60 = 2,177,876.48/x - Step 3: Cross multiply
4,707,564.80x = 7,055,817.60 × 2,177,876.48 - Step 4: Simplify right side
4,707,564.80x = 15,366,699,198,210.05 - Step 5: Solve for x
x = 15,366,699,198,210.05/4,707,564.80 - Step 6: Final answer
x = 3,264,256.54
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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.