Home / 2,100,300.72-3,150,670.03-803,450.58

Finding the Fourth Proportional to 2,100,300.72, 3,150,670.03 and 803,450.58

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Solution

The fourth proportional to 2,100,300.72, 3,150,670.03 and 803,450.58 is: 1,205,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,300.72 : 3,150,670.03 = 803,450.58 : x
  2. Step 2: Convert to fraction form
    2,100,300.72/3,150,670.03 = 803,450.58/x
  3. Step 3: Cross multiply
    2,100,300.72x = 3,150,670.03 × 803,450.58
  4. Step 4: Simplify right side
    2,100,300.72x = 2,531,407,643,221.51
  5. Step 5: Solve for x
    x = 2,531,407,643,221.51/2,100,300.72
  6. Step 6: Final answer
    x = 1,205,259.62

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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.