Home / 3,938,446.35-5,907,144.65-1,098,320.67

Finding the Fourth Proportional to 3,938,446.35, 5,907,144.65 and 1,098,320.67

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Solution

The fourth proportional to 3,938,446.35, 5,907,144.65 and 1,098,320.67 is: 1,647,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,446.35 : 5,907,144.65 = 1,098,320.67 : x
  2. Step 2: Convert to fraction form
    3,938,446.35/5,907,144.65 = 1,098,320.67/x
  3. Step 3: Cross multiply
    3,938,446.35x = 5,907,144.65 × 1,098,320.67
  4. Step 4: Simplify right side
    3,938,446.35x = 6,487,939,064,283.31
  5. Step 5: Solve for x
    x = 6,487,939,064,283.31/3,938,446.35
  6. Step 6: Final answer
    x = 1,647,334.63

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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.