Home / 3,139,626.40-4,709,439.60-1,120,150.60

Finding the Fourth Proportional to 3,139,626.40, 4,709,439.60 and 1,120,150.60

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Solution

The fourth proportional to 3,139,626.40, 4,709,439.60 and 1,120,150.60 is: 1,680,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,626.40 : 4,709,439.60 = 1,120,150.60 : x
  2. Step 2: Convert to fraction form
    3,139,626.40/4,709,439.60 = 1,120,150.60/x
  3. Step 3: Cross multiply
    3,139,626.40x = 4,709,439.60 × 1,120,150.60
  4. Step 4: Simplify right side
    3,139,626.40x = 5,275,281,593,603.76
  5. Step 5: Solve for x
    x = 5,275,281,593,603.76/3,139,626.40
  6. Step 6: Final answer
    x = 1,680,225.90

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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.