Finding the Fourth Proportional to 3,817,132.70, 5,267,678.41 and 2,074,806.19
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Solution
The fourth proportional to 3,817,132.70, 5,267,678.41 and 2,074,806.19 is: 2,863,251.72
Step by Step Solution
- Step 1: Write the proportion equation
3,817,132.70 : 5,267,678.41 = 2,074,806.19 : x - Step 2: Convert to fraction form
3,817,132.70/5,267,678.41 = 2,074,806.19/x - Step 3: Cross multiply
3,817,132.70x = 5,267,678.41 × 2,074,806.19 - Step 4: Simplify right side
3,817,132.70x = 10,929,411,771,997.36 - Step 5: Solve for x
x = 10,929,411,771,997.36/3,817,132.70 - Step 6: Final answer
x = 2,863,251.72
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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.