Home / 2,684,509.67-4,024,377.43-978,332.56

Finding the Fourth Proportional to 2,684,509.67, 4,024,377.43 and 978,332.56

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Solution

The fourth proportional to 2,684,509.67, 4,024,377.43 and 978,332.56 is: 1,466,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,509.67 : 4,024,377.43 = 978,332.56 : x
  2. Step 2: Convert to fraction form
    2,684,509.67/4,024,377.43 = 978,332.56/x
  3. Step 3: Cross multiply
    2,684,509.67x = 4,024,377.43 × 978,332.56
  4. Step 4: Simplify right side
    2,684,509.67x = 3,937,179,473,498.12
  5. Step 5: Solve for x
    x = 3,937,179,473,498.12/2,684,509.67
  6. Step 6: Final answer
    x = 1,466,628.90

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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.