Finding the Fourth Proportional to 2,172,138.24, 3,258,734.07 and 655,730.63
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Solution
The fourth proportional to 2,172,138.24, 3,258,734.07 and 655,730.63 is: 983,754.95
Step by Step Solution
- Step 1: Write the proportion equation
2,172,138.24 : 3,258,734.07 = 655,730.63 : x - Step 2: Convert to fraction form
2,172,138.24/3,258,734.07 = 655,730.63/x - Step 3: Cross multiply
2,172,138.24x = 3,258,734.07 × 655,730.63 - Step 4: Simplify right side
2,172,138.24x = 2,136,851,744,723.56 - Step 5: Solve for x
x = 2,136,851,744,723.56/2,172,138.24 - Step 6: Final answer
x = 983,754.95
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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.