Home / 2,299,288.10-3,172,865.77-1,380,971.58

Finding the Fourth Proportional to 2,299,288.10, 3,172,865.77 and 1,380,971.58

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Solution

The fourth proportional to 2,299,288.10, 3,172,865.77 and 1,380,971.58 is: 1,905,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299,288.10 : 3,172,865.77 = 1,380,971.58 : x
  2. Step 2: Convert to fraction form
    2,299,288.10/3,172,865.77 = 1,380,971.58/x
  3. Step 3: Cross multiply
    2,299,288.10x = 3,172,865.77 × 1,380,971.58
  4. Step 4: Simplify right side
    2,299,288.10x = 4,381,637,461,258.23
  5. Step 5: Solve for x
    x = 4,381,637,461,258.23/2,299,288.10
  6. Step 6: Final answer
    x = 1,905,649.61

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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.