Finding the Fourth Proportional to 2,429,696.36, 3,642,272.79 and 1,081,126.55
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Solution
The fourth proportional to 2,429,696.36, 3,642,272.79 and 1,081,126.55 is: 1,620,678.97
Step by Step Solution
- Step 1: Write the proportion equation
2,429,696.36 : 3,642,272.79 = 1,081,126.55 : x - Step 2: Convert to fraction form
2,429,696.36/3,642,272.79 = 1,081,126.55/x - Step 3: Cross multiply
2,429,696.36x = 3,642,272.79 × 1,081,126.55 - Step 4: Simplify right side
2,429,696.36x = 3,937,757,797,400.21 - Step 5: Solve for x
x = 3,937,757,797,400.21/2,429,696.36 - Step 6: Final answer
x = 1,620,678.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.