Home / 2,588,491.80-3,882,737.70-1,328,779.80

Finding the Fourth Proportional to 2,588,491.80, 3,882,737.70 and 1,328,779.80

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Solution

The fourth proportional to 2,588,491.80, 3,882,737.70 and 1,328,779.80 is: 1,993,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,491.80 : 3,882,737.70 = 1,328,779.80 : x
  2. Step 2: Convert to fraction form
    2,588,491.80/3,882,737.70 = 1,328,779.80/x
  3. Step 3: Cross multiply
    2,588,491.80x = 3,882,737.70 × 1,328,779.80
  4. Step 4: Simplify right side
    2,588,491.80x = 5,159,303,424,458.46
  5. Step 5: Solve for x
    x = 5,159,303,424,458.46/2,588,491.80
  6. Step 6: Final answer
    x = 1,993,169.70

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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.