Finding the Fourth Proportional to 3,719,281.50, 5,132,197.80 and 2,087,314.56
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Solution
The fourth proportional to 3,719,281.50, 5,132,197.80 and 2,087,314.56 is: 2,880,263.62
Step by Step Solution
- Step 1: Write the proportion equation
3,719,281.50 : 5,132,197.80 = 2,087,314.56 : x - Step 2: Convert to fraction form
3,719,281.50/5,132,197.80 = 2,087,314.56/x - Step 3: Cross multiply
3,719,281.50x = 5,132,197.80 × 2,087,314.56 - Step 4: Simplify right side
3,719,281.50x = 10,712,511,192,739.97 - Step 5: Solve for x
x = 10,712,511,192,739.97/3,719,281.50 - Step 6: Final answer
x = 2,880,263.62
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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.