Home / 1,856,279.63-2,561,620.16-1,029,348.61

Finding the Fourth Proportional to 1,856,279.63, 2,561,620.16 and 1,029,348.61

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Solution

The fourth proportional to 1,856,279.63, 2,561,620.16 and 1,029,348.61 is: 1,420,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,279.63 : 2,561,620.16 = 1,029,348.61 : x
  2. Step 2: Convert to fraction form
    1,856,279.63/2,561,620.16 = 1,029,348.61/x
  3. Step 3: Cross multiply
    1,856,279.63x = 2,561,620.16 × 1,029,348.61
  4. Step 4: Simplify right side
    1,856,279.63x = 2,636,800,163,061.67
  5. Step 5: Solve for x
    x = 2,636,800,163,061.67/1,856,279.63
  6. Step 6: Final answer
    x = 1,420,475.73

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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.