Finding the Fourth Proportional to 4,125,101.28, 5,693,686.16 and 2,818,882.32
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Solution
The fourth proportional to 4,125,101.28, 5,693,686.16 and 2,818,882.32 is: 3,890,772.65
Step by Step Solution
- Step 1: Write the proportion equation
4,125,101.28 : 5,693,686.16 = 2,818,882.32 : x - Step 2: Convert to fraction form
4,125,101.28/5,693,686.16 = 2,818,882.32/x - Step 3: Cross multiply
4,125,101.28x = 5,693,686.16 × 2,818,882.32 - Step 4: Simplify right side
4,125,101.28x = 16,049,831,252,052.69 - Step 5: Solve for x
x = 16,049,831,252,052.69/4,125,101.28 - Step 6: Final answer
x = 3,890,772.65
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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.