Finding the Fourth Proportional to 1,609,220.75, 2,220,748.17 and 874,188.68
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Solution
The fourth proportional to 1,609,220.75, 2,220,748.17 and 874,188.68 is: 1,206,393.16
Step by Step Solution
- Step 1: Write the proportion equation
1,609,220.75 : 2,220,748.17 = 874,188.68 : x - Step 2: Convert to fraction form
1,609,220.75/2,220,748.17 = 874,188.68/x - Step 3: Cross multiply
1,609,220.75x = 2,220,748.17 × 874,188.68 - Step 4: Simplify right side
1,609,220.75x = 1,941,352,911,344.72 - Step 5: Solve for x
x = 1,941,352,911,344.72/1,609,220.75 - Step 6: Final answer
x = 1,206,393.16
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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.