Finding the Fourth Proportional to 5,568,484.14, 7,684,719.35 and 3,121,140.42
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Solution
The fourth proportional to 5,568,484.14, 7,684,719.35 and 3,121,140.42 is: 4,307,292.18
Step by Step Solution
- Step 1: Write the proportion equation
5,568,484.14 : 7,684,719.35 = 3,121,140.42 : x - Step 2: Convert to fraction form
5,568,484.14/7,684,719.35 = 3,121,140.42/x - Step 3: Cross multiply
5,568,484.14x = 7,684,719.35 × 3,121,140.42 - Step 4: Simplify right side
5,568,484.14x = 23,985,088,164,035.42 - Step 5: Solve for x
x = 23,985,088,164,035.42/5,568,484.14 - Step 6: Final answer
x = 4,307,292.18
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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.