Finding the Fourth Proportional to 2,687,193.28, 3,708,251.04 and 1,463,471.20
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Solution
The fourth proportional to 2,687,193.28, 3,708,251.04 and 1,463,471.20 is: 2,019,549.04
Step by Step Solution
- Step 1: Write the proportion equation
2,687,193.28 : 3,708,251.04 = 1,463,471.20 : x - Step 2: Convert to fraction form
2,687,193.28/3,708,251.04 = 1,463,471.20/x - Step 3: Cross multiply
2,687,193.28x = 3,708,251.04 × 1,463,471.20 - Step 4: Simplify right side
2,687,193.28x = 5,426,918,599,410.05 - Step 5: Solve for x
x = 5,426,918,599,410.05/2,687,193.28 - Step 6: Final answer
x = 2,019,549.04
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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.