Home / 2,149,866.37-2,968,039.28-1,425,691.74

Finding the Fourth Proportional to 2,149,866.37, 2,968,039.28 and 1,425,691.74

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Solution

The fourth proportional to 2,149,866.37, 2,968,039.28 and 1,425,691.74 is: 1,968,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,866.37 : 2,968,039.28 = 1,425,691.74 : x
  2. Step 2: Convert to fraction form
    2,149,866.37/2,968,039.28 = 1,425,691.74/x
  3. Step 3: Cross multiply
    2,149,866.37x = 2,968,039.28 × 1,425,691.74
  4. Step 4: Simplify right side
    2,149,866.37x = 4,231,509,085,491.55
  5. Step 5: Solve for x
    x = 4,231,509,085,491.55/2,149,866.37
  6. Step 6: Final answer
    x = 1,968,266.10

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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.