Finding the Fourth Proportional to 3,750,528.60, 5,175,729.18 and 2,031,648.66
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Solution
The fourth proportional to 3,750,528.60, 5,175,729.18 and 2,031,648.66 is: 2,803,674.99
Step by Step Solution
- Step 1: Write the proportion equation
3,750,528.60 : 5,175,729.18 = 2,031,648.66 : x - Step 2: Convert to fraction form
3,750,528.60/5,175,729.18 = 2,031,648.66/x - Step 3: Cross multiply
3,750,528.60x = 5,175,729.18 × 2,031,648.66 - Step 4: Simplify right side
3,750,528.60x = 10,515,263,253,069.90 - Step 5: Solve for x
x = 10,515,263,253,069.90/3,750,528.60 - Step 6: Final answer
x = 2,803,674.99
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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.