Home / 2,143,860.90-3,214,807.20-945,166.20

Finding the Fourth Proportional to 2,143,860.90, 3,214,807.20 and 945,166.20

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Solution

The fourth proportional to 2,143,860.90, 3,214,807.20 and 945,166.20 is: 1,417,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,860.90 : 3,214,807.20 = 945,166.20 : x
  2. Step 2: Convert to fraction form
    2,143,860.90/3,214,807.20 = 945,166.20/x
  3. Step 3: Cross multiply
    2,143,860.90x = 3,214,807.20 × 945,166.20
  4. Step 4: Simplify right side
    2,143,860.90x = 3,038,527,104,956.64
  5. Step 5: Solve for x
    x = 3,038,527,104,956.64/2,143,860.90
  6. Step 6: Final answer
    x = 1,417,315.42

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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.