Finding the Fourth Proportional to 3,770,789.91, 5,203,807.68 and 2,139,266.04
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Solution
The fourth proportional to 3,770,789.91, 5,203,807.68 and 2,139,266.04 is: 2,952,253.86
Step by Step Solution
- Step 1: Write the proportion equation
3,770,789.91 : 5,203,807.68 = 2,139,266.04 : x - Step 2: Convert to fraction form
3,770,789.91/5,203,807.68 = 2,139,266.04/x - Step 3: Cross multiply
3,770,789.91x = 5,203,807.68 × 2,139,266.04 - Step 4: Simplify right side
3,770,789.91x = 11,132,329,048,515.19 - Step 5: Solve for x
x = 11,132,329,048,515.19/3,770,789.91 - Step 6: Final answer
x = 2,952,253.86
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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.