Finding the Fourth Proportional to 2,121,142.84, 3,182,212.52 and 701,198.80
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Solution
The fourth proportional to 2,121,142.84, 3,182,212.52 and 701,198.80 is: 1,051,962.91
Step by Step Solution
- Step 1: Write the proportion equation
2,121,142.84 : 3,182,212.52 = 701,198.80 : x - Step 2: Convert to fraction form
2,121,142.84/3,182,212.52 = 701,198.80/x - Step 3: Cross multiply
2,121,142.84x = 3,182,212.52 × 701,198.80 - Step 4: Simplify right side
2,121,142.84x = 2,231,363,600,368.98 - Step 5: Solve for x
x = 2,231,363,600,368.98/2,121,142.84 - Step 6: Final answer
x = 1,051,962.91
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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.