Home / 2,589,790.32-3,885,443.64-1,328,497.20

Finding the Fourth Proportional to 2,589,790.32, 3,885,443.64 and 1,328,497.20

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Solution

The fourth proportional to 2,589,790.32, 3,885,443.64 and 1,328,497.20 is: 1,993,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,790.32 : 3,885,443.64 = 1,328,497.20 : x
  2. Step 2: Convert to fraction form
    2,589,790.32/3,885,443.64 = 1,328,497.20/x
  3. Step 3: Cross multiply
    2,589,790.32x = 3,885,443.64 × 1,328,497.20
  4. Step 4: Simplify right side
    2,589,790.32x = 5,161,800,996,497.81
  5. Step 5: Solve for x
    x = 5,161,800,996,497.81/2,589,790.32
  6. Step 6: Final answer
    x = 1,993,134.72

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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.