Home / 3,720,630.72-5,130,943.20-2,432,575.20

Finding the Fourth Proportional to 3,720,630.72, 5,130,943.20 and 2,432,575.20

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Solution

The fourth proportional to 3,720,630.72, 5,130,943.20 and 2,432,575.20 is: 3,354,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,630.72 : 5,130,943.20 = 2,432,575.20 : x
  2. Step 2: Convert to fraction form
    3,720,630.72/5,130,943.20 = 2,432,575.20/x
  3. Step 3: Cross multiply
    3,720,630.72x = 5,130,943.20 × 2,432,575.20
  4. Step 4: Simplify right side
    3,720,630.72x = 12,481,405,180,928.64
  5. Step 5: Solve for x
    x = 12,481,405,180,928.64/3,720,630.72
  6. Step 6: Final answer
    x = 3,354,647.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.