Finding the Fourth Proportional to 5,722,472.84, 8,582,377.56 and 2,129,931.68
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Solution
The fourth proportional to 5,722,472.84, 8,582,377.56 and 2,129,931.68 is: 3,194,401.85
Step by Step Solution
- Step 1: Write the proportion equation
5,722,472.84 : 8,582,377.56 = 2,129,931.68 : x - Step 2: Convert to fraction form
5,722,472.84/8,582,377.56 = 2,129,931.68/x - Step 3: Cross multiply
5,722,472.84x = 8,582,377.56 × 2,129,931.68 - Step 4: Simplify right side
5,722,472.84x = 18,279,877,854,765.10 - Step 5: Solve for x
x = 18,279,877,854,765.10/5,722,472.84 - Step 6: Final answer
x = 3,194,401.85
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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.