Home / 1,782,071.53-2,670,355.41-1,203,426.63

Finding the Fourth Proportional to 1,782,071.53, 2,670,355.41 and 1,203,426.63

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Solution

The fourth proportional to 1,782,071.53, 2,670,355.41 and 1,203,426.63 is: 1,803,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,071.53 : 2,670,355.41 = 1,203,426.63 : x
  2. Step 2: Convert to fraction form
    1,782,071.53/2,670,355.41 = 1,203,426.63/x
  3. Step 3: Cross multiply
    1,782,071.53x = 2,670,355.41 × 1,203,426.63
  4. Step 4: Simplify right side
    1,782,071.53x = 3,213,576,811,958.57
  5. Step 5: Solve for x
    x = 3,213,576,811,958.57/1,782,071.53
  6. Step 6: Final answer
    x = 1,803,281.61

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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.