Finding the Fourth Proportional to 2,878,065.62, 3,971,735.61 and 1,588,908.10
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Solution
The fourth proportional to 2,878,065.62, 3,971,735.61 and 1,588,908.10 is: 2,192,695.97
Step by Step Solution
- Step 1: Write the proportion equation
2,878,065.62 : 3,971,735.61 = 1,588,908.10 : x - Step 2: Convert to fraction form
2,878,065.62/3,971,735.61 = 1,588,908.10/x - Step 3: Cross multiply
2,878,065.62x = 3,971,735.61 × 1,588,908.10 - Step 4: Simplify right side
2,878,065.62x = 6,310,722,881,787.44 - Step 5: Solve for x
x = 6,310,722,881,787.44/2,878,065.62 - Step 6: Final answer
x = 2,192,695.97
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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.