Home / 3,886,288.40-5,826,667.80-1,489,206.80

Finding the Fourth Proportional to 3,886,288.40, 5,826,667.80 and 1,489,206.80

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Solution

The fourth proportional to 3,886,288.40, 5,826,667.80 and 1,489,206.80 is: 2,232,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,288.40 : 5,826,667.80 = 1,489,206.80 : x
  2. Step 2: Convert to fraction form
    3,886,288.40/5,826,667.80 = 1,489,206.80/x
  3. Step 3: Cross multiply
    3,886,288.40x = 5,826,667.80 × 1,489,206.80
  4. Step 4: Simplify right side
    3,886,288.40x = 8,677,113,309,101.04
  5. Step 5: Solve for x
    x = 8,677,113,309,101.04/3,886,288.40
  6. Step 6: Final answer
    x = 2,232,750.74

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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.