Finding the Fourth Proportional to 5,090,613.14, 7,024,865.38 and 2,798,757.14
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Solution
The fourth proportional to 5,090,613.14, 7,024,865.38 and 2,798,757.14 is: 3,862,185.47
Step by Step Solution
- Step 1: Write the proportion equation
5,090,613.14 : 7,024,865.38 = 2,798,757.14 : x - Step 2: Convert to fraction form
5,090,613.14/7,024,865.38 = 2,798,757.14/x - Step 3: Cross multiply
5,090,613.14x = 7,024,865.38 × 2,798,757.14 - Step 4: Simplify right side
5,090,613.14x = 19,660,892,090,695.70 - Step 5: Solve for x
x = 19,660,892,090,695.70/5,090,613.14 - Step 6: Final answer
x = 3,862,185.47
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1.5x scale
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.