Finding the Fourth Proportional to 1,545,627.98, 2,132,232.10 and 1,029,621.74
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Solution
The fourth proportional to 1,545,627.98, 2,132,232.10 and 1,029,621.74 is: 1,420,388.70
Step by Step Solution
- Step 1: Write the proportion equation
1,545,627.98 : 2,132,232.10 = 1,029,621.74 : x - Step 2: Convert to fraction form
1,545,627.98/2,132,232.10 = 1,029,621.74/x - Step 3: Cross multiply
1,545,627.98x = 2,132,232.10 × 1,029,621.74 - Step 4: Simplify right side
1,545,627.98x = 2,195,392,524,885.85 - Step 5: Solve for x
x = 2,195,392,524,885.85/1,545,627.98 - Step 6: Final answer
x = 1,420,388.70
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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.