Finding the Fourth Proportional to 2,349,701.20, 3,520,615.20 and 2,011,153.60
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Solution
The fourth proportional to 2,349,701.20, 3,520,615.20 and 2,011,153.60 is: 3,013,360.99
Step by Step Solution
- Step 1: Write the proportion equation
2,349,701.20 : 3,520,615.20 = 2,011,153.60 : x - Step 2: Convert to fraction form
2,349,701.20/3,520,615.20 = 2,011,153.60/x - Step 3: Cross multiply
2,349,701.20x = 3,520,615.20 × 2,011,153.60 - Step 4: Simplify right side
2,349,701.20x = 7,080,497,933,694.72 - Step 5: Solve for x
x = 7,080,497,933,694.72/2,349,701.20 - Step 6: Final answer
x = 3,013,360.99
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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.