Finding the Fourth Proportional to 2,190,240.36, 3,278,477.70 and 1,392,422.76
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Solution
The fourth proportional to 2,190,240.36, 3,278,477.70 and 1,392,422.76 is: 2,084,258.45
Step by Step Solution
- Step 1: Write the proportion equation
2,190,240.36 : 3,278,477.70 = 1,392,422.76 : x - Step 2: Convert to fraction form
2,190,240.36/3,278,477.70 = 1,392,422.76/x - Step 3: Cross multiply
2,190,240.36x = 3,278,477.70 × 1,392,422.76 - Step 4: Simplify right side
2,190,240.36x = 4,565,026,967,632.45 - Step 5: Solve for x
x = 4,565,026,967,632.45/2,190,240.36 - Step 6: Final answer
x = 2,084,258.45
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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.