Home / 2,869,025.15-3,958,953.70-1,628,240.36

Finding the Fourth Proportional to 2,869,025.15, 3,958,953.70 and 1,628,240.36

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Solution

The fourth proportional to 2,869,025.15, 3,958,953.70 and 1,628,240.36 is: 2,246,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,025.15 : 3,958,953.70 = 1,628,240.36 : x
  2. Step 2: Convert to fraction form
    2,869,025.15/3,958,953.70 = 1,628,240.36/x
  3. Step 3: Cross multiply
    2,869,025.15x = 3,958,953.70 × 1,628,240.36
  4. Step 4: Simplify right side
    2,869,025.15x = 6,446,128,197,711.33
  5. Step 5: Solve for x
    x = 6,446,128,197,711.33/2,869,025.15
  6. Step 6: Final answer
    x = 2,246,800.87

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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.