Home / 1,672,002.20-2,507,213.28-647,812.28

Finding the Fourth Proportional to 1,672,002.20, 2,507,213.28 and 647,812.28

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Solution

The fourth proportional to 1,672,002.20, 2,507,213.28 and 647,812.28 is: 971,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,002.20 : 2,507,213.28 = 647,812.28 : x
  2. Step 2: Convert to fraction form
    1,672,002.20/2,507,213.28 = 647,812.28/x
  3. Step 3: Cross multiply
    1,672,002.20x = 2,507,213.28 × 647,812.28
  4. Step 4: Simplify right side
    1,672,002.20x = 1,624,203,551,363.08
  5. Step 5: Solve for x
    x = 1,624,203,551,363.08/1,672,002.20
  6. Step 6: Final answer
    x = 971,412.33

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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.