Finding the Fourth Proportional to 2,878,083.97, 3,971,735.28 and 1,571,335.96
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Solution
The fourth proportional to 2,878,083.97, 3,971,735.28 and 1,571,335.96 is: 2,168,432.38
Step by Step Solution
- Step 1: Write the proportion equation
2,878,083.97 : 3,971,735.28 = 1,571,335.96 : x - Step 2: Convert to fraction form
2,878,083.97/3,971,735.28 = 1,571,335.96/x - Step 3: Cross multiply
2,878,083.97x = 3,971,735.28 × 1,571,335.96 - Step 4: Simplify right side
2,878,083.97x = 6,240,930,469,064.67 - Step 5: Solve for x
x = 6,240,930,469,064.67/2,878,083.97 - Step 6: Final answer
x = 2,168,432.38
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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.