Finding the Fourth Proportional to 3,447,886.77, 4,758,083.70 and 1,998,422.95
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Solution
The fourth proportional to 3,447,886.77, 4,758,083.70 and 1,998,422.95 is: 2,757,823.65
Step by Step Solution
- Step 1: Write the proportion equation
3,447,886.77 : 4,758,083.70 = 1,998,422.95 : x - Step 2: Convert to fraction form
3,447,886.77/4,758,083.70 = 1,998,422.95/x - Step 3: Cross multiply
3,447,886.77x = 4,758,083.70 × 1,998,422.95 - Step 4: Simplify right side
3,447,886.77x = 9,508,663,664,100.92 - Step 5: Solve for x
x = 9,508,663,664,100.92/3,447,886.77 - Step 6: Final answer
x = 2,757,823.65
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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.