Home / 2,141,013.41-3,210,719.75-861,188.40

Finding the Fourth Proportional to 2,141,013.41, 3,210,719.75 and 861,188.40

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Solution

The fourth proportional to 2,141,013.41, 3,210,719.75 and 861,188.40 is: 1,291,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,013.41 : 3,210,719.75 = 861,188.40 : x
  2. Step 2: Convert to fraction form
    2,141,013.41/3,210,719.75 = 861,188.40/x
  3. Step 3: Cross multiply
    2,141,013.41x = 3,210,719.75 × 861,188.40
  4. Step 4: Simplify right side
    2,141,013.41x = 2,765,034,603,274.41
  5. Step 5: Solve for x
    x = 2,765,034,603,274.41/2,141,013.41
  6. Step 6: Final answer
    x = 1,291,460.67

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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.