Finding the Fourth Proportional to 3,748,277.76, 5,172,616.44 and 2,029,398
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Solution
The fourth proportional to 3,748,277.76, 5,172,616.44 and 2,029,398 is: 2,800,565.52
Step by Step Solution
- Step 1: Write the proportion equation
3,748,277.76 : 5,172,616.44 = 2,029,398 : x - Step 2: Convert to fraction form
3,748,277.76/5,172,616.44 = 2,029,398/x - Step 3: Cross multiply
3,748,277.76x = 5,172,616.44 × 2,029,398 - Step 4: Simplify right side
3,748,277.76x = 10,497,297,458,103.12 - Step 5: Solve for x
x = 10,497,297,458,103.12/3,748,277.76 - Step 6: Final answer
x = 2,800,565.52
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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.