Home / 2,107,028.70-2,907,679.35-1,140,137.82

Finding the Fourth Proportional to 2,107,028.70, 2,907,679.35 and 1,140,137.82

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Solution

The fourth proportional to 2,107,028.70, 2,907,679.35 and 1,140,137.82 is: 1,573,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,028.70 : 2,907,679.35 = 1,140,137.82 : x
  2. Step 2: Convert to fraction form
    2,107,028.70/2,907,679.35 = 1,140,137.82/x
  3. Step 3: Cross multiply
    2,107,028.70x = 2,907,679.35 × 1,140,137.82
  4. Step 4: Simplify right side
    2,107,028.70x = 3,315,155,195,368.02
  5. Step 5: Solve for x
    x = 3,315,155,195,368.02/2,107,028.70
  6. Step 6: Final answer
    x = 1,573,379.23

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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.