Home / 1,646,099.22-2,272,393.60-1,238,356.70

Finding the Fourth Proportional to 1,646,099.22, 2,272,393.60 and 1,238,356.70

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Solution

The fourth proportional to 1,646,099.22, 2,272,393.60 and 1,238,356.70 is: 1,709,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,099.22 : 2,272,393.60 = 1,238,356.70 : x
  2. Step 2: Convert to fraction form
    1,646,099.22/2,272,393.60 = 1,238,356.70/x
  3. Step 3: Cross multiply
    1,646,099.22x = 2,272,393.60 × 1,238,356.70
  4. Step 4: Simplify right side
    1,646,099.22x = 2,814,033,839,597.12
  5. Step 5: Solve for x
    x = 2,814,033,839,597.12/1,646,099.22
  6. Step 6: Final answer
    x = 1,709,516.54

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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.