Finding the Fourth Proportional to 4,031,809.40, 6,040,715.70 and 2,611,134.20
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Solution
The fourth proportional to 4,031,809.40, 6,040,715.70 and 2,611,134.20 is: 3,912,168.90
Step by Step Solution
- Step 1: Write the proportion equation
4,031,809.40 : 6,040,715.70 = 2,611,134.20 : x - Step 2: Convert to fraction form
4,031,809.40/6,040,715.70 = 2,611,134.20/x - Step 3: Cross multiply
4,031,809.40x = 6,040,715.70 × 2,611,134.20 - Step 4: Simplify right side
4,031,809.40x = 15,773,119,356,746.94 - Step 5: Solve for x
x = 15,773,119,356,746.94/4,031,809.40 - Step 6: Final answer
x = 3,912,168.90
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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.