Finding the Fourth Proportional to 4,642,420.43, 6,406,290.11 and 2,577,302.99
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Solution
The fourth proportional to 4,642,420.43, 6,406,290.11 and 2,577,302.99 is: 3,556,539.29
Step by Step Solution
- Step 1: Write the proportion equation
4,642,420.43 : 6,406,290.11 = 2,577,302.99 : x - Step 2: Convert to fraction form
4,642,420.43/6,406,290.11 = 2,577,302.99/x - Step 3: Cross multiply
4,642,420.43x = 6,406,290.11 × 2,577,302.99 - Step 4: Simplify right side
4,642,420.43x = 16,510,950,655,310.43 - Step 5: Solve for x
x = 16,510,950,655,310.43/4,642,420.43 - Step 6: Final answer
x = 3,556,539.29
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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.