Finding the Fourth Proportional to 3,862,325.09, 5,334,432.25 and 2,543,643.62
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Solution
The fourth proportional to 3,862,325.09, 5,334,432.25 and 2,543,643.62 is: 3,513,141.50
Step by Step Solution
- Step 1: Write the proportion equation
3,862,325.09 : 5,334,432.25 = 2,543,643.62 : x - Step 2: Convert to fraction form
3,862,325.09/5,334,432.25 = 2,543,643.62/x - Step 3: Cross multiply
3,862,325.09x = 5,334,432.25 × 2,543,643.62 - Step 4: Simplify right side
3,862,325.09x = 13,568,894,561,854.57 - Step 5: Solve for x
x = 13,568,894,561,854.57/3,862,325.09 - Step 6: Final answer
x = 3,513,141.50
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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.