Finding the Fourth Proportional to 2,220,221.34, 3,063,905.39 and 1,201,626.09
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Solution
The fourth proportional to 2,220,221.34, 3,063,905.39 and 1,201,626.09 is: 1,658,243.97
Step by Step Solution
- Step 1: Write the proportion equation
2,220,221.34 : 3,063,905.39 = 1,201,626.09 : x - Step 2: Convert to fraction form
2,220,221.34/3,063,905.39 = 1,201,626.09/x - Step 3: Cross multiply
2,220,221.34x = 3,063,905.39 × 1,201,626.09 - Step 4: Simplify right side
2,220,221.34x = 3,681,668,656,919.69 - Step 5: Solve for x
x = 3,681,668,656,919.69/2,220,221.34 - Step 6: Final answer
x = 1,658,243.97
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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.