Finding the Fourth Proportional to 2,491,130.36, 3,438,013.86 and 1,524,899.20
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Solution
The fourth proportional to 2,491,130.36, 3,438,013.86 and 1,524,899.20 is: 2,104,516.35
Step by Step Solution
- Step 1: Write the proportion equation
2,491,130.36 : 3,438,013.86 = 1,524,899.20 : x - Step 2: Convert to fraction form
2,491,130.36/3,438,013.86 = 1,524,899.20/x - Step 3: Cross multiply
2,491,130.36x = 3,438,013.86 × 1,524,899.20 - Step 4: Simplify right side
2,491,130.36x = 5,242,624,584,702.91 - Step 5: Solve for x
x = 5,242,624,584,702.91/2,491,130.36 - Step 6: Final answer
x = 2,104,516.35
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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.