Home / 2,120,200.56-2,924,911.44-1,260,272.16

Finding the Fourth Proportional to 2,120,200.56, 2,924,911.44 and 1,260,272.16

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Solution

The fourth proportional to 2,120,200.56, 2,924,911.44 and 1,260,272.16 is: 1,738,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,200.56 : 2,924,911.44 = 1,260,272.16 : x
  2. Step 2: Convert to fraction form
    2,120,200.56/2,924,911.44 = 1,260,272.16/x
  3. Step 3: Cross multiply
    2,120,200.56x = 2,924,911.44 × 1,260,272.16
  4. Step 4: Simplify right side
    2,120,200.56x = 3,686,184,458,297.51
  5. Step 5: Solve for x
    x = 3,686,184,458,297.51/2,120,200.56
  6. Step 6: Final answer
    x = 1,738,601.78

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1.5x scale

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.