Finding the Fourth Proportional to 2,121,853.46, 3,182,748.98 and 524,416.70
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Solution
The fourth proportional to 2,121,853.46, 3,182,748.98 and 524,416.70 is: 786,617.34
Step by Step Solution
- Step 1: Write the proportion equation
2,121,853.46 : 3,182,748.98 = 524,416.70 : x - Step 2: Convert to fraction form
2,121,853.46/3,182,748.98 = 524,416.70/x - Step 3: Cross multiply
2,121,853.46x = 3,182,748.98 × 524,416.70 - Step 4: Simplify right side
2,121,853.46x = 1,669,086,717,019.97 - Step 5: Solve for x
x = 1,669,086,717,019.97/2,121,853.46 - Step 6: Final answer
x = 786,617.34
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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.