Finding the Fourth Proportional to 2,418,281.60, 3,337,159.80 and 1,330,553.92
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Solution
The fourth proportional to 2,418,281.60, 3,337,159.80 and 1,330,553.92 is: 1,836,126.55
Step by Step Solution
- Step 1: Write the proportion equation
2,418,281.60 : 3,337,159.80 = 1,330,553.92 : x - Step 2: Convert to fraction form
2,418,281.60/3,337,159.80 = 1,330,553.92/x - Step 3: Cross multiply
2,418,281.60x = 3,337,159.80 × 1,330,553.92 - Step 4: Simplify right side
2,418,281.60x = 4,440,271,053,556.42 - Step 5: Solve for x
x = 4,440,271,053,556.42/2,418,281.60 - Step 6: Final answer
x = 1,836,126.55
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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.