Home / 3,936,866.40-5,432,875.60-2,126,030.24

Finding the Fourth Proportional to 3,936,866.40, 5,432,875.60 and 2,126,030.24

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Solution

The fourth proportional to 3,936,866.40, 5,432,875.60 and 2,126,030.24 is: 2,933,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,866.40 : 5,432,875.60 = 2,126,030.24 : x
  2. Step 2: Convert to fraction form
    3,936,866.40/5,432,875.60 = 2,126,030.24/x
  3. Step 3: Cross multiply
    3,936,866.40x = 5,432,875.60 × 2,126,030.24
  4. Step 4: Simplify right side
    3,936,866.40x = 11,550,457,815,758.14
  5. Step 5: Solve for x
    x = 11,550,457,815,758.14/3,936,866.40
  6. Step 6: Final answer
    x = 2,933,921.71

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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.