Finding the Fourth Proportional to 3,204,143.12, 4,421,829.99 and 1,753,839.74
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Solution
The fourth proportional to 3,204,143.12, 4,421,829.99 and 1,753,839.74 is: 2,420,360.41
Step by Step Solution
- Step 1: Write the proportion equation
3,204,143.12 : 4,421,829.99 = 1,753,839.74 : x - Step 2: Convert to fraction form
3,204,143.12/4,421,829.99 = 1,753,839.74/x - Step 3: Cross multiply
3,204,143.12x = 4,421,829.99 × 1,753,839.74 - Step 4: Simplify right side
3,204,143.12x = 7,755,181,151,216.61 - Step 5: Solve for x
x = 7,755,181,151,216.61/3,204,143.12 - Step 6: Final answer
x = 2,420,360.41
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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.