Home / 1,980,084.28-2,971,375.85-842,844.67

Finding the Fourth Proportional to 1,980,084.28, 2,971,375.85 and 842,844.67

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Solution

The fourth proportional to 1,980,084.28, 2,971,375.85 and 842,844.67 is: 1,264,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,084.28 : 2,971,375.85 = 842,844.67 : x
  2. Step 2: Convert to fraction form
    1,980,084.28/2,971,375.85 = 842,844.67/x
  3. Step 3: Cross multiply
    1,980,084.28x = 2,971,375.85 × 842,844.67
  4. Step 4: Simplify right side
    1,980,084.28x = 2,504,408,282,882.34
  5. Step 5: Solve for x
    x = 2,504,408,282,882.34/1,980,084.28
  6. Step 6: Final answer
    x = 1,264,798.83

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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.