Home / 3,128,029.28-4,313,002.68-2,507,338.16

Finding the Fourth Proportional to 3,128,029.28, 4,313,002.68 and 2,507,338.16

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Solution

The fourth proportional to 3,128,029.28, 4,313,002.68 and 2,507,338.16 is: 3,457,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,029.28 : 4,313,002.68 = 2,507,338.16 : x
  2. Step 2: Convert to fraction form
    3,128,029.28/4,313,002.68 = 2,507,338.16/x
  3. Step 3: Cross multiply
    3,128,029.28x = 4,313,002.68 × 2,507,338.16
  4. Step 4: Simplify right side
    3,128,029.28x = 10,814,156,203,746.27
  5. Step 5: Solve for x
    x = 10,814,156,203,746.27/3,128,029.28
  6. Step 6: Final answer
    x = 3,457,178.70

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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.