Home / 2,119,025.37-3,178,466.67-920,947.80

Finding the Fourth Proportional to 2,119,025.37, 3,178,466.67 and 920,947.80

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Solution

The fourth proportional to 2,119,025.37, 3,178,466.67 and 920,947.80 is: 1,381,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,025.37 : 3,178,466.67 = 920,947.80 : x
  2. Step 2: Convert to fraction form
    2,119,025.37/3,178,466.67 = 920,947.80/x
  3. Step 3: Cross multiply
    2,119,025.37x = 3,178,466.67 × 920,947.80
  4. Step 4: Simplify right side
    2,119,025.37x = 2,927,201,887,109.83
  5. Step 5: Solve for x
    x = 2,927,201,887,109.83/2,119,025.37
  6. Step 6: Final answer
    x = 1,381,390.68

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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.