Finding the Fourth Proportional to 2,542,197.96, 3,507,379.29 and 1,439,479.17
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Solution
The fourth proportional to 2,542,197.96, 3,507,379.29 and 1,439,479.17 is: 1,985,997.75
Step by Step Solution
- Step 1: Write the proportion equation
2,542,197.96 : 3,507,379.29 = 1,439,479.17 : x - Step 2: Convert to fraction form
2,542,197.96/3,507,379.29 = 1,439,479.17/x - Step 3: Cross multiply
2,542,197.96x = 3,507,379.29 × 1,439,479.17 - Step 4: Simplify right side
2,542,197.96x = 5,048,799,429,244.39 - Step 5: Solve for x
x = 5,048,799,429,244.39/2,542,197.96 - Step 6: Final answer
x = 1,985,997.75
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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.