Home / 3,430,375.88-5,145,670.43-1,271,938.10

Finding the Fourth Proportional to 3,430,375.88, 5,145,670.43 and 1,271,938.10

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Solution

The fourth proportional to 3,430,375.88, 5,145,670.43 and 1,271,938.10 is: 1,907,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,375.88 : 5,145,670.43 = 1,271,938.10 : x
  2. Step 2: Convert to fraction form
    3,430,375.88/5,145,670.43 = 1,271,938.10/x
  3. Step 3: Cross multiply
    3,430,375.88x = 5,145,670.43 × 1,271,938.10
  4. Step 4: Simplify right side
    3,430,375.88x = 6,544,974,242,642.11
  5. Step 5: Solve for x
    x = 6,544,974,242,642.11/3,430,375.88
  6. Step 6: Final answer
    x = 1,907,946.67

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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.