Home / 2,079,284.19-3,119,221.87-640,087.60

Finding the Fourth Proportional to 2,079,284.19, 3,119,221.87 and 640,087.60

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Solution

The fourth proportional to 2,079,284.19, 3,119,221.87 and 640,087.60 is: 960,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,284.19 : 3,119,221.87 = 640,087.60 : x
  2. Step 2: Convert to fraction form
    2,079,284.19/3,119,221.87 = 640,087.60/x
  3. Step 3: Cross multiply
    2,079,284.19x = 3,119,221.87 × 640,087.60
  4. Step 4: Simplify right side
    2,079,284.19x = 1,996,575,240,635.81
  5. Step 5: Solve for x
    x = 1,996,575,240,635.81/2,079,284.19
  6. Step 6: Final answer
    x = 960,222.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.