Finding the Fourth Proportional to 3,974,958.24, 5,485,443.48 and 2,232,630.36
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Solution
The fourth proportional to 3,974,958.24, 5,485,443.48 and 2,232,630.36 is: 3,081,030.52
Step by Step Solution
- Step 1: Write the proportion equation
3,974,958.24 : 5,485,443.48 = 2,232,630.36 : x - Step 2: Convert to fraction form
3,974,958.24/5,485,443.48 = 2,232,630.36/x - Step 3: Cross multiply
3,974,958.24x = 5,485,443.48 × 2,232,630.36 - Step 4: Simplify right side
3,974,958.24x = 12,246,967,651,512.05 - Step 5: Solve for x
x = 12,246,967,651,512.05/3,974,958.24 - Step 6: Final answer
x = 3,081,030.52
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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.