Finding the Fourth Proportional to 1,560,711.06, 2,153,748.42 and 872,363.70
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Solution
The fourth proportional to 1,560,711.06, 2,153,748.42 and 872,363.70 is: 1,203,843.55
Step by Step Solution
- Step 1: Write the proportion equation
1,560,711.06 : 2,153,748.42 = 872,363.70 : x - Step 2: Convert to fraction form
1,560,711.06/2,153,748.42 = 872,363.70/x - Step 3: Cross multiply
1,560,711.06x = 2,153,748.42 × 872,363.70 - Step 4: Simplify right side
1,560,711.06x = 1,878,851,940,540.35 - Step 5: Solve for x
x = 1,878,851,940,540.35/1,560,711.06 - Step 6: Final answer
x = 1,203,843.55
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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.