Finding the Fourth Proportional to 3,651,291.63, 5,038,720.20 and 2,019,697.74
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Solution
The fourth proportional to 3,651,291.63, 5,038,720.20 and 2,019,697.74 is: 2,787,148.45
Step by Step Solution
- Step 1: Write the proportion equation
3,651,291.63 : 5,038,720.20 = 2,019,697.74 : x - Step 2: Convert to fraction form
3,651,291.63/5,038,720.20 = 2,019,697.74/x - Step 3: Cross multiply
3,651,291.63x = 5,038,720.20 × 2,019,697.74 - Step 4: Simplify right side
3,651,291.63x = 10,176,691,800,432.35 - Step 5: Solve for x
x = 10,176,691,800,432.35/3,651,291.63 - Step 6: Final answer
x = 2,787,148.45
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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.