Finding the Fourth Proportional to 4,189,987.88, 5,781,734.34 and 2,813,052.68
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Solution
The fourth proportional to 4,189,987.88, 5,781,734.34 and 2,813,052.68 is: 3,881,711.30
Step by Step Solution
- Step 1: Write the proportion equation
4,189,987.88 : 5,781,734.34 = 2,813,052.68 : x - Step 2: Convert to fraction form
4,189,987.88/5,781,734.34 = 2,813,052.68/x - Step 3: Cross multiply
4,189,987.88x = 5,781,734.34 × 2,813,052.68 - Step 4: Simplify right side
4,189,987.88x = 16,264,323,280,185.03 - Step 5: Solve for x
x = 16,264,323,280,185.03/4,189,987.88 - Step 6: Final answer
x = 3,881,711.30
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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.