Home / 2,140,272.87-3,210,903.41-720,294.27

Finding the Fourth Proportional to 2,140,272.87, 3,210,903.41 and 720,294.27

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Solution

The fourth proportional to 2,140,272.87, 3,210,903.41 and 720,294.27 is: 1,080,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,272.87 : 3,210,903.41 = 720,294.27 : x
  2. Step 2: Convert to fraction form
    2,140,272.87/3,210,903.41 = 720,294.27/x
  3. Step 3: Cross multiply
    2,140,272.87x = 3,210,903.41 × 720,294.27
  4. Step 4: Simplify right side
    2,140,272.87x = 2,312,795,324,144.99
  5. Step 5: Solve for x
    x = 2,312,795,324,144.99/2,140,272.87
  6. Step 6: Final answer
    x = 1,080,607.69

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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.