Home / 1,640,789.91-2,461,184.87-442,712.22

Finding the Fourth Proportional to 1,640,789.91, 2,461,184.87 and 442,712.22

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Solution

The fourth proportional to 1,640,789.91, 2,461,184.87 and 442,712.22 is: 664,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,789.91 : 2,461,184.87 = 442,712.22 : x
  2. Step 2: Convert to fraction form
    1,640,789.91/2,461,184.87 = 442,712.22/x
  3. Step 3: Cross multiply
    1,640,789.91x = 2,461,184.87 × 442,712.22
  4. Step 4: Simplify right side
    1,640,789.91x = 1,089,596,615,414.55
  5. Step 5: Solve for x
    x = 1,089,596,615,414.55/1,640,789.91
  6. Step 6: Final answer
    x = 664,068.33

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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.