Finding the Fourth Proportional to 2,492,638.20, 3,439,823.22 and 1,474,021.08
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Solution
The fourth proportional to 2,492,638.20, 3,439,823.22 and 1,474,021.08 is: 2,034,138.74
Step by Step Solution
- Step 1: Write the proportion equation
2,492,638.20 : 3,439,823.22 = 1,474,021.08 : x - Step 2: Convert to fraction form
2,492,638.20/3,439,823.22 = 1,474,021.08/x - Step 3: Cross multiply
2,492,638.20x = 3,439,823.22 × 1,474,021.08 - Step 4: Simplify right side
2,492,638.20x = 5,070,371,937,753.48 - Step 5: Solve for x
x = 5,070,371,937,753.48/2,492,638.20 - Step 6: Final answer
x = 2,034,138.74
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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.