Home / 1,646,062.20-2,272,342.41-1,238,319.27

Finding the Fourth Proportional to 1,646,062.20, 2,272,342.41 and 1,238,319.27

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Solution

The fourth proportional to 1,646,062.20, 2,272,342.41 and 1,238,319.27 is: 1,709,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,062.20 : 2,272,342.41 = 1,238,319.27 : x
  2. Step 2: Convert to fraction form
    1,646,062.20/2,272,342.41 = 1,238,319.27/x
  3. Step 3: Cross multiply
    1,646,062.20x = 2,272,342.41 × 1,238,319.27
  4. Step 4: Simplify right side
    1,646,062.20x = 2,813,885,394,341.24
  5. Step 5: Solve for x
    x = 2,813,885,394,341.24/1,646,062.20
  6. Step 6: Final answer
    x = 1,709,464.80

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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.