Finding the Fourth Proportional to 1,536,234.20, 2,120,001.86 and 857,170.68
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Solution
The fourth proportional to 1,536,234.20, 2,120,001.86 and 857,170.68 is: 1,182,894.79
Step by Step Solution
- Step 1: Write the proportion equation
1,536,234.20 : 2,120,001.86 = 857,170.68 : x - Step 2: Convert to fraction form
1,536,234.20/2,120,001.86 = 857,170.68/x - Step 3: Cross multiply
1,536,234.20x = 2,120,001.86 × 857,170.68 - Step 4: Simplify right side
1,536,234.20x = 1,817,203,435,937.47 - Step 5: Solve for x
x = 1,817,203,435,937.47/1,536,234.20 - Step 6: Final answer
x = 1,182,894.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.