Finding the Fourth Proportional to 1,532,863.98, 2,115,251.10 and 920,652.97
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Solution
The fourth proportional to 1,532,863.98, 2,115,251.10 and 920,652.97 is: 1,270,440.32
Step by Step Solution
- Step 1: Write the proportion equation
1,532,863.98 : 2,115,251.10 = 920,652.97 : x - Step 2: Convert to fraction form
1,532,863.98/2,115,251.10 = 920,652.97/x - Step 3: Cross multiply
1,532,863.98x = 2,115,251.10 × 920,652.97 - Step 4: Simplify right side
1,532,863.98x = 1,947,412,202,907.50 - Step 5: Solve for x
x = 1,947,412,202,907.50/1,532,863.98 - Step 6: Final answer
x = 1,270,440.32
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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.