Home / 2,485,491.28-3,429,945.36-1,397,762.50

Finding the Fourth Proportional to 2,485,491.28, 3,429,945.36 and 1,397,762.50

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Solution

The fourth proportional to 2,485,491.28, 3,429,945.36 and 1,397,762.50 is: 1,928,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,491.28 : 3,429,945.36 = 1,397,762.50 : x
  2. Step 2: Convert to fraction form
    2,485,491.28/3,429,945.36 = 1,397,762.50/x
  3. Step 3: Cross multiply
    2,485,491.28x = 3,429,945.36 × 1,397,762.50
  4. Step 4: Simplify right side
    2,485,491.28x = 4,794,249,001,257
  5. Step 5: Solve for x
    x = 4,794,249,001,257/2,485,491.28
  6. Step 6: Final answer
    x = 1,928,893.91

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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.