Home / 2,170,721.47-3,258,033.78-1,160,706.76

Finding the Fourth Proportional to 2,170,721.47, 3,258,033.78 and 1,160,706.76

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Solution

The fourth proportional to 2,170,721.47, 3,258,033.78 and 1,160,706.76 is: 1,742,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,721.47 : 3,258,033.78 = 1,160,706.76 : x
  2. Step 2: Convert to fraction form
    2,170,721.47/3,258,033.78 = 1,160,706.76/x
  3. Step 3: Cross multiply
    2,170,721.47x = 3,258,033.78 × 1,160,706.76
  4. Step 4: Simplify right side
    2,170,721.47x = 3,781,621,832,754.35
  5. Step 5: Solve for x
    x = 3,781,621,832,754.35/2,170,721.47
  6. Step 6: Final answer
    x = 1,742,103.67

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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.