Home / 2,823,789.60-4,238,017.20-1,309,802.40

Finding the Fourth Proportional to 2,823,789.60, 4,238,017.20 and 1,309,802.40

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Solution

The fourth proportional to 2,823,789.60, 4,238,017.20 and 1,309,802.40 is: 1,965,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823,789.60 : 4,238,017.20 = 1,309,802.40 : x
  2. Step 2: Convert to fraction form
    2,823,789.60/4,238,017.20 = 1,309,802.40/x
  3. Step 3: Cross multiply
    2,823,789.60x = 4,238,017.20 × 1,309,802.40
  4. Step 4: Simplify right side
    2,823,789.60x = 5,550,965,099,801.28
  5. Step 5: Solve for x
    x = 5,550,965,099,801.28/2,823,789.60
  6. Step 6: Final answer
    x = 1,965,785.66

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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.