Finding the Fourth Proportional to 4,642,419.43, 6,406,288.73 and 2,577,301.99
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Solution
The fourth proportional to 4,642,419.43, 6,406,288.73 and 2,577,301.99 is: 3,556,537.91
Step by Step Solution
- Step 1: Write the proportion equation
4,642,419.43 : 6,406,288.73 = 2,577,301.99 : x - Step 2: Convert to fraction form
4,642,419.43/6,406,288.73 = 2,577,301.99/x - Step 3: Cross multiply
4,642,419.43x = 6,406,288.73 × 2,577,301.99 - Step 4: Simplify right side
4,642,419.43x = 16,510,940,692,343.58 - Step 5: Solve for x
x = 16,510,940,692,343.58/4,642,419.43 - Step 6: Final answer
x = 3,556,537.91
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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.