Finding the Fourth Proportional to 2,194,350.80, 3,028,812.78 and 1,276,757.18
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Solution
The fourth proportional to 2,194,350.80, 3,028,812.78 and 1,276,757.18 is: 1,762,279.06
Step by Step Solution
- Step 1: Write the proportion equation
2,194,350.80 : 3,028,812.78 = 1,276,757.18 : x - Step 2: Convert to fraction form
2,194,350.80/3,028,812.78 = 1,276,757.18/x - Step 3: Cross multiply
2,194,350.80x = 3,028,812.78 × 1,276,757.18 - Step 4: Simplify right side
2,194,350.80x = 3,867,058,464,742.58 - Step 5: Solve for x
x = 3,867,058,464,742.58/2,194,350.80 - Step 6: Final answer
x = 1,762,279.06
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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.