Home / 2,140,977.92-2,954,277.27-1,223,266.50

Finding the Fourth Proportional to 2,140,977.92, 2,954,277.27 and 1,223,266.50

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Solution

The fourth proportional to 2,140,977.92, 2,954,277.27 and 1,223,266.50 is: 1,687,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,977.92 : 2,954,277.27 = 1,223,266.50 : x
  2. Step 2: Convert to fraction form
    2,140,977.92/2,954,277.27 = 1,223,266.50/x
  3. Step 3: Cross multiply
    2,140,977.92x = 2,954,277.27 × 1,223,266.50
  4. Step 4: Simplify right side
    2,140,977.92x = 3,613,868,416,102.46
  5. Step 5: Solve for x
    x = 3,613,868,416,102.46/2,140,977.92
  6. Step 6: Final answer
    x = 1,687,952.22

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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.