Home / 4,480,389.42-6,720,141.24-1,783,990.68

Finding the Fourth Proportional to 4,480,389.42, 6,720,141.24 and 1,783,990.68

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Solution

The fourth proportional to 4,480,389.42, 6,720,141.24 and 1,783,990.68 is: 2,675,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480,389.42 : 6,720,141.24 = 1,783,990.68 : x
  2. Step 2: Convert to fraction form
    4,480,389.42/6,720,141.24 = 1,783,990.68/x
  3. Step 3: Cross multiply
    4,480,389.42x = 6,720,141.24 × 1,783,990.68
  4. Step 4: Simplify right side
    4,480,389.42x = 11,988,669,340,443.64
  5. Step 5: Solve for x
    x = 11,988,669,340,443.64/4,480,389.42
  6. Step 6: Final answer
    x = 2,675,809.67

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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.