Home / 2,576,323.80-3,863,319.30-978,355.80

Finding the Fourth Proportional to 2,576,323.80, 3,863,319.30 and 978,355.80

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Solution

The fourth proportional to 2,576,323.80, 3,863,319.30 and 978,355.80 is: 1,467,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,323.80 : 3,863,319.30 = 978,355.80 : x
  2. Step 2: Convert to fraction form
    2,576,323.80/3,863,319.30 = 978,355.80/x
  3. Step 3: Cross multiply
    2,576,323.80x = 3,863,319.30 × 978,355.80
  4. Step 4: Simplify right side
    2,576,323.80x = 3,779,700,844,406.94
  5. Step 5: Solve for x
    x = 3,779,700,844,406.94/2,576,323.80
  6. Step 6: Final answer
    x = 1,467,090.76

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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.