Finding the Fourth Proportional to 1,563,882.21, 2,336,120.30 and 1,134,005.49
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Solution
The fourth proportional to 1,563,882.21, 2,336,120.30 and 1,134,005.49 is: 1,693,972.37
Step by Step Solution
- Step 1: Write the proportion equation
1,563,882.21 : 2,336,120.30 = 1,134,005.49 : x - Step 2: Convert to fraction form
1,563,882.21/2,336,120.30 = 1,134,005.49/x - Step 3: Cross multiply
1,563,882.21x = 2,336,120.30 × 1,134,005.49 - Step 4: Simplify right side
1,563,882.21x = 2,649,173,248,335.46 - Step 5: Solve for x
x = 2,649,173,248,335.46/1,563,882.21 - Step 6: Final answer
x = 1,693,972.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.