Finding the Fourth Proportional to 3,750,511.28, 5,175,730.50 and 2,031,631.88
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Solution
The fourth proportional to 3,750,511.28, 5,175,730.50 and 2,031,631.88 is: 2,803,665.50
Step by Step Solution
- Step 1: Write the proportion equation
3,750,511.28 : 5,175,730.50 = 2,031,631.88 : x - Step 2: Convert to fraction form
3,750,511.28/5,175,730.50 = 2,031,631.88/x - Step 3: Cross multiply
3,750,511.28x = 5,175,730.50 × 2,031,631.88 - Step 4: Simplify right side
3,750,511.28x = 10,515,179,086,088.34 - Step 5: Solve for x
x = 10,515,179,086,088.34/3,750,511.28 - Step 6: Final answer
x = 2,803,665.50
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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.