Home / 1,277,491.40-1,910,485.28-1,136,167.46

Finding the Fourth Proportional to 1,277,491.40, 1,910,485.28 and 1,136,167.46

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Solution

The fourth proportional to 1,277,491.40, 1,910,485.28 and 1,136,167.46 is: 1,699,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,491.40 : 1,910,485.28 = 1,136,167.46 : x
  2. Step 2: Convert to fraction form
    1,277,491.40/1,910,485.28 = 1,136,167.46/x
  3. Step 3: Cross multiply
    1,277,491.40x = 1,910,485.28 × 1,136,167.46
  4. Step 4: Simplify right side
    1,277,491.40x = 2,170,631,201,232.98
  5. Step 5: Solve for x
    x = 2,170,631,201,232.98/1,277,491.40
  6. Step 6: Final answer
    x = 1,699,135.67

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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.