Finding the Fourth Proportional to 2,229,423.70, 3,344,135.55 and 1,557,577.30
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Solution
The fourth proportional to 2,229,423.70, 3,344,135.55 and 1,557,577.30 is: 2,336,365.95
Step by Step Solution
- Step 1: Write the proportion equation
2,229,423.70 : 3,344,135.55 = 1,557,577.30 : x - Step 2: Convert to fraction form
2,229,423.70/3,344,135.55 = 1,557,577.30/x - Step 3: Cross multiply
2,229,423.70x = 3,344,135.55 × 1,557,577.30 - Step 4: Simplify right side
2,229,423.70x = 5,208,749,620,803.01 - Step 5: Solve for x
x = 5,208,749,620,803.01/2,229,423.70 - Step 6: Final answer
x = 2,336,365.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.