Home / 1,867,519.80-2,801,279.70-1,647,070.20

Finding the Fourth Proportional to 1,867,519.80, 2,801,279.70 and 1,647,070.20

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Solution

The fourth proportional to 1,867,519.80, 2,801,279.70 and 1,647,070.20 is: 2,470,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,519.80 : 2,801,279.70 = 1,647,070.20 : x
  2. Step 2: Convert to fraction form
    1,867,519.80/2,801,279.70 = 1,647,070.20/x
  3. Step 3: Cross multiply
    1,867,519.80x = 2,801,279.70 × 1,647,070.20
  4. Step 4: Simplify right side
    1,867,519.80x = 4,613,904,315,734.94
  5. Step 5: Solve for x
    x = 4,613,904,315,734.94/1,867,519.80
  6. Step 6: Final answer
    x = 2,470,605.30

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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.