Home / 2,106,726.37-2,907,261.72-1,139,835.44

Finding the Fourth Proportional to 2,106,726.37, 2,907,261.72 and 1,139,835.44

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Solution

The fourth proportional to 2,106,726.37, 2,907,261.72 and 1,139,835.44 is: 1,572,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,726.37 : 2,907,261.72 = 1,139,835.44 : x
  2. Step 2: Convert to fraction form
    2,106,726.37/2,907,261.72 = 1,139,835.44/x
  3. Step 3: Cross multiply
    2,106,726.37x = 2,907,261.72 × 1,139,835.44
  4. Step 4: Simplify right side
    2,106,726.37x = 3,313,799,949,079.51
  5. Step 5: Solve for x
    x = 3,313,799,949,079.51/2,106,726.37
  6. Step 6: Final answer
    x = 1,572,961.73

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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.