Finding the Fourth Proportional to 2,271,830.68, 3,135,136.62 and 1,253,235.16
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Solution
The fourth proportional to 2,271,830.68, 3,135,136.62 and 1,253,235.16 is: 1,729,470.19
Step by Step Solution
- Step 1: Write the proportion equation
2,271,830.68 : 3,135,136.62 = 1,253,235.16 : x - Step 2: Convert to fraction form
2,271,830.68/3,135,136.62 = 1,253,235.16/x - Step 3: Cross multiply
2,271,830.68x = 3,135,136.62 × 1,253,235.16 - Step 4: Simplify right side
2,271,830.68x = 3,929,063,443,587.56 - Step 5: Solve for x
x = 3,929,063,443,587.56/2,271,830.68 - Step 6: Final answer
x = 1,729,470.19
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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.