Finding the Fourth Proportional to 2,176,107.70, 3,264,161.55 and 1,645,266.10
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Solution
The fourth proportional to 2,176,107.70, 3,264,161.55 and 1,645,266.10 is: 2,467,899.15
Step by Step Solution
- Step 1: Write the proportion equation
2,176,107.70 : 3,264,161.55 = 1,645,266.10 : x - Step 2: Convert to fraction form
2,176,107.70/3,264,161.55 = 1,645,266.10/x - Step 3: Cross multiply
2,176,107.70x = 3,264,161.55 × 1,645,266.10 - Step 4: Simplify right side
2,176,107.70x = 5,370,414,343,138.46 - Step 5: Solve for x
x = 5,370,414,343,138.46/2,176,107.70 - Step 6: Final answer
x = 2,467,899.15
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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.