Finding the Fourth Proportional to 1,414,614.21, 2,120,731.08 and 615,293.73
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Solution
The fourth proportional to 1,414,614.21, 2,120,731.08 and 615,293.73 is: 922,422.90
Step by Step Solution
- Step 1: Write the proportion equation
1,414,614.21 : 2,120,731.08 = 615,293.73 : x - Step 2: Convert to fraction form
1,414,614.21/2,120,731.08 = 615,293.73/x - Step 3: Cross multiply
1,414,614.21x = 2,120,731.08 × 615,293.73 - Step 4: Simplify right side
1,414,614.21x = 1,304,872,536,540.13 - Step 5: Solve for x
x = 1,304,872,536,540.13/1,414,614.21 - Step 6: Final answer
x = 922,422.90
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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.