Home / 1,982,880.90-2,974,331.61-902,638

Finding the Fourth Proportional to 1,982,880.90, 2,974,331.61 and 902,638

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Solution

The fourth proportional to 1,982,880.90, 2,974,331.61 and 902,638 is: 1,353,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,880.90 : 2,974,331.61 = 902,638 : x
  2. Step 2: Convert to fraction form
    1,982,880.90/2,974,331.61 = 902,638/x
  3. Step 3: Cross multiply
    1,982,880.90x = 2,974,331.61 × 902,638
  4. Step 4: Simplify right side
    1,982,880.90x = 2,684,744,735,787.18
  5. Step 5: Solve for x
    x = 2,684,744,735,787.18/1,982,880.90
  6. Step 6: Final answer
    x = 1,353,961.67

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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.