Finding the Fourth Proportional to 2,194,574.72, 3,028,370.90 and 1,227,539.20
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Solution
The fourth proportional to 2,194,574.72, 3,028,370.90 and 1,227,539.20 is: 1,693,924.55
Step by Step Solution
- Step 1: Write the proportion equation
2,194,574.72 : 3,028,370.90 = 1,227,539.20 : x - Step 2: Convert to fraction form
2,194,574.72/3,028,370.90 = 1,227,539.20/x - Step 3: Cross multiply
2,194,574.72x = 3,028,370.90 × 1,227,539.20 - Step 4: Simplify right side
2,194,574.72x = 3,717,443,991,889.28 - Step 5: Solve for x
x = 3,717,443,991,889.28/2,194,574.72 - Step 6: Final answer
x = 1,693,924.55
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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.