Home / 2,195,347.36-3,029,706.32-1,228,469.20

Finding the Fourth Proportional to 2,195,347.36, 3,029,706.32 and 1,228,469.20

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Solution

The fourth proportional to 2,195,347.36, 3,029,706.32 and 1,228,469.20 is: 1,695,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,347.36 : 3,029,706.32 = 1,228,469.20 : x
  2. Step 2: Convert to fraction form
    2,195,347.36/3,029,706.32 = 1,228,469.20/x
  3. Step 3: Cross multiply
    2,195,347.36x = 3,029,706.32 × 1,228,469.20
  4. Step 4: Simplify right side
    2,195,347.36x = 3,721,900,899,165.34
  5. Step 5: Solve for x
    x = 3,721,900,899,165.34/2,195,347.36
  6. Step 6: Final answer
    x = 1,695,358.54

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1.5x scale

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.