Finding the Fourth Proportional to 2,134,820.21, 2,947,846.97 and 1,524,844.04
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Solution
The fourth proportional to 2,134,820.21, 2,947,846.97 and 1,524,844.04 is: 2,105,566.95
Step by Step Solution
- Step 1: Write the proportion equation
2,134,820.21 : 2,947,846.97 = 1,524,844.04 : x - Step 2: Convert to fraction form
2,134,820.21/2,947,846.97 = 1,524,844.04/x - Step 3: Cross multiply
2,134,820.21x = 2,947,846.97 × 1,524,844.04 - Step 4: Simplify right side
2,134,820.21x = 4,495,006,872,109.43 - Step 5: Solve for x
x = 4,495,006,872,109.43/2,134,820.21 - Step 6: Final answer
x = 2,105,566.95
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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.