Finding the Fourth Proportional to 1,609,747.20, 2,221,306.56 and 884,586.24
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Solution
The fourth proportional to 1,609,747.20, 2,221,306.56 and 884,586.24 is: 1,220,649.56
Step by Step Solution
- Step 1: Write the proportion equation
1,609,747.20 : 2,221,306.56 = 884,586.24 : x - Step 2: Convert to fraction form
1,609,747.20/2,221,306.56 = 884,586.24/x - Step 3: Cross multiply
1,609,747.20x = 2,221,306.56 × 884,586.24 - Step 4: Simplify right side
1,609,747.20x = 1,964,937,217,797.73 - Step 5: Solve for x
x = 1,964,937,217,797.73/1,609,747.20 - Step 6: Final answer
x = 1,220,649.56
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1.5x scale
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.