Finding the Fourth Proportional to 4,381,964.40, 6,561,887.40 and 3,497,228.40
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Solution
The fourth proportional to 4,381,964.40, 6,561,887.40 and 3,497,228.40 is: 5,237,016.30
Step by Step Solution
- Step 1: Write the proportion equation
4,381,964.40 : 6,561,887.40 = 3,497,228.40 : x - Step 2: Convert to fraction form
4,381,964.40/6,561,887.40 = 3,497,228.40/x - Step 3: Cross multiply
4,381,964.40x = 6,561,887.40 × 3,497,228.40 - Step 4: Simplify right side
4,381,964.40x = 22,948,418,972,882.16 - Step 5: Solve for x
x = 22,948,418,972,882.16/4,381,964.40 - Step 6: Final answer
x = 5,237,016.30
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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.