Finding the Fourth Proportional to 2,777,967.28, 4,163,902.76 and 1,430,201.80
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Solution
The fourth proportional to 2,777,967.28, 4,163,902.76 and 1,430,201.80 is: 2,143,733.39
Step by Step Solution
- Step 1: Write the proportion equation
2,777,967.28 : 4,163,902.76 = 1,430,201.80 : x - Step 2: Convert to fraction form
2,777,967.28/4,163,902.76 = 1,430,201.80/x - Step 3: Cross multiply
2,777,967.28x = 4,163,902.76 × 1,430,201.80 - Step 4: Simplify right side
2,777,967.28x = 5,955,221,222,376.97 - Step 5: Solve for x
x = 5,955,221,222,376.97/2,777,967.28 - Step 6: Final answer
x = 2,143,733.39
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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.