Finding the Fourth Proportional to 2,861,351.84, 3,948,906.12 and 1,572,449.60
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Solution
The fourth proportional to 2,861,351.84, 3,948,906.12 and 1,572,449.60 is: 2,170,112.66
Step by Step Solution
- Step 1: Write the proportion equation
2,861,351.84 : 3,948,906.12 = 1,572,449.60 : x - Step 2: Convert to fraction form
2,861,351.84/3,948,906.12 = 1,572,449.60/x - Step 3: Cross multiply
2,861,351.84x = 3,948,906.12 × 1,572,449.60 - Step 4: Simplify right side
2,861,351.84x = 6,209,455,848,831.55 - Step 5: Solve for x
x = 6,209,455,848,831.55/2,861,351.84 - Step 6: Final answer
x = 2,170,112.66
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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.