Finding the Fourth Proportional to 3,650,721.80, 5,476,092.05 and 1,491,746.99
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Solution
The fourth proportional to 3,650,721.80, 5,476,092.05 and 1,491,746.99 is: 2,237,624.30
Step by Step Solution
- Step 1: Write the proportion equation
3,650,721.80 : 5,476,092.05 = 1,491,746.99 : x - Step 2: Convert to fraction form
3,650,721.80/5,476,092.05 = 1,491,746.99/x - Step 3: Cross multiply
3,650,721.80x = 5,476,092.05 × 1,491,746.99 - Step 4: Simplify right side
3,650,721.80x = 8,168,943,808,899.34 - Step 5: Solve for x
x = 8,168,943,808,899.34/3,650,721.80 - Step 6: Final answer
x = 2,237,624.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.