Finding the Fourth Proportional to 5,090,616.26, 7,024,869.69 and 2,798,760.26
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Solution
The fourth proportional to 5,090,616.26, 7,024,869.69 and 2,798,760.26 is: 3,862,189.79
Step by Step Solution
- Step 1: Write the proportion equation
5,090,616.26 : 7,024,869.69 = 2,798,760.26 : x - Step 2: Convert to fraction form
5,090,616.26/7,024,869.69 = 2,798,760.26/x - Step 3: Cross multiply
5,090,616.26x = 7,024,869.69 × 2,798,760.26 - Step 4: Simplify right side
5,090,616.26x = 19,660,926,120,050.52 - Step 5: Solve for x
x = 19,660,926,120,050.52/5,090,616.26 - Step 6: Final answer
x = 3,862,189.79
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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.