Home / 2,100,900.98-2,899,205.16-1,183,126.40

Finding the Fourth Proportional to 2,100,900.98, 2,899,205.16 and 1,183,126.40

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Solution

The fourth proportional to 2,100,900.98, 2,899,205.16 and 1,183,126.40 is: 1,632,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,900.98 : 2,899,205.16 = 1,183,126.40 : x
  2. Step 2: Convert to fraction form
    2,100,900.98/2,899,205.16 = 1,183,126.40/x
  3. Step 3: Cross multiply
    2,100,900.98x = 2,899,205.16 × 1,183,126.40
  4. Step 4: Simplify right side
    2,100,900.98x = 3,430,126,163,812.22
  5. Step 5: Solve for x
    x = 3,430,126,163,812.22/2,100,900.98
  6. Step 6: Final answer
    x = 1,632,692.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.