Home / 2,140,528.72-3,211,266.36-720,538

Finding the Fourth Proportional to 2,140,528.72, 3,211,266.36 and 720,538

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Solution

The fourth proportional to 2,140,528.72, 3,211,266.36 and 720,538 is: 1,080,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,528.72 : 3,211,266.36 = 720,538 : x
  2. Step 2: Convert to fraction form
    2,140,528.72/3,211,266.36 = 720,538/x
  3. Step 3: Cross multiply
    2,140,528.72x = 3,211,266.36 × 720,538
  4. Step 4: Simplify right side
    2,140,528.72x = 2,313,839,440,501.68
  5. Step 5: Solve for x
    x = 2,313,839,440,501.68/2,140,528.72
  6. Step 6: Final answer
    x = 1,080,966.31

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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.