Finding the Fourth Proportional to 2,577,337.68, 3,556,517.88 and 1,489,679.70
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Solution
The fourth proportional to 2,577,337.68, 3,556,517.88 and 1,489,679.70 is: 2,055,637.70
Step by Step Solution
- Step 1: Write the proportion equation
2,577,337.68 : 3,556,517.88 = 1,489,679.70 : x - Step 2: Convert to fraction form
2,577,337.68/3,556,517.88 = 1,489,679.70/x - Step 3: Cross multiply
2,577,337.68x = 3,556,517.88 × 1,489,679.70 - Step 4: Simplify right side
2,577,337.68x = 5,298,072,488,523.04 - Step 5: Solve for x
x = 5,298,072,488,523.04/2,577,337.68 - Step 6: Final answer
x = 2,055,637.70
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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.