Home / 2,100,466.70-3,150,700.05-978,649.10

Finding the Fourth Proportional to 2,100,466.70, 3,150,700.05 and 978,649.10

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Solution

The fourth proportional to 2,100,466.70, 3,150,700.05 and 978,649.10 is: 1,467,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,466.70 : 3,150,700.05 = 978,649.10 : x
  2. Step 2: Convert to fraction form
    2,100,466.70/3,150,700.05 = 978,649.10/x
  3. Step 3: Cross multiply
    2,100,466.70x = 3,150,700.05 × 978,649.10
  4. Step 4: Simplify right side
    2,100,466.70x = 3,083,429,768,302.45
  5. Step 5: Solve for x
    x = 3,083,429,768,302.45/2,100,466.70
  6. Step 6: Final answer
    x = 1,467,973.65

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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.