Finding the Fourth Proportional to 2,289,254.70, 3,433,882.05 and 1,392,455.10
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Solution
The fourth proportional to 2,289,254.70, 3,433,882.05 and 1,392,455.10 is: 2,088,682.65
Step by Step Solution
- Step 1: Write the proportion equation
2,289,254.70 : 3,433,882.05 = 1,392,455.10 : x - Step 2: Convert to fraction form
2,289,254.70/3,433,882.05 = 1,392,455.10/x - Step 3: Cross multiply
2,289,254.70x = 3,433,882.05 × 1,392,455.10 - Step 4: Simplify right side
2,289,254.70x = 4,781,526,573,320.96 - Step 5: Solve for x
x = 4,781,526,573,320.96/2,289,254.70 - Step 6: Final answer
x = 2,088,682.65
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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.