Finding the Fourth Proportional to 5,177,176.11, 7,765,764.21 and 1,582,943.13
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Solution
The fourth proportional to 5,177,176.11, 7,765,764.21 and 1,582,943.13 is: 2,374,414.71
Step by Step Solution
- Step 1: Write the proportion equation
5,177,176.11 : 7,765,764.21 = 1,582,943.13 : x - Step 2: Convert to fraction form
5,177,176.11/7,765,764.21 = 1,582,943.13/x - Step 3: Cross multiply
5,177,176.11x = 7,765,764.21 × 1,582,943.13 - Step 4: Simplify right side
5,177,176.11x = 12,292,763,105,419.38 - Step 5: Solve for x
x = 12,292,763,105,419.38/5,177,176.11 - Step 6: Final answer
x = 2,374,414.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.