Home / 2,107,175.21-2,907,901.80-1,140,305.43

Finding the Fourth Proportional to 2,107,175.21, 2,907,901.80 and 1,140,305.43

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Solution

The fourth proportional to 2,107,175.21, 2,907,901.80 and 1,140,305.43 is: 1,573,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,175.21 : 2,907,901.80 = 1,140,305.43 : x
  2. Step 2: Convert to fraction form
    2,107,175.21/2,907,901.80 = 1,140,305.43/x
  3. Step 3: Cross multiply
    2,107,175.21x = 2,907,901.80 × 1,140,305.43
  4. Step 4: Simplify right side
    2,107,175.21x = 3,315,896,212,446.77
  5. Step 5: Solve for x
    x = 3,315,896,212,446.77/2,107,175.21
  6. Step 6: Final answer
    x = 1,573,621.50

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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.