Finding the Fourth Proportional to 4,832,556.20, 6,668,748.20 and 2,656,969.92
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Solution
The fourth proportional to 4,832,556.20, 6,668,748.20 and 2,656,969.92 is: 3,666,519.88
Step by Step Solution
- Step 1: Write the proportion equation
4,832,556.20 : 6,668,748.20 = 2,656,969.92 : x - Step 2: Convert to fraction form
4,832,556.20/6,668,748.20 = 2,656,969.92/x - Step 3: Cross multiply
4,832,556.20x = 6,668,748.20 × 2,656,969.92 - Step 4: Simplify right side
4,832,556.20x = 17,718,663,371,454.14 - Step 5: Solve for x
x = 17,718,663,371,454.14/4,832,556.20 - Step 6: Final answer
x = 3,666,519.88
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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.