Home / 3,478,630.36-4,800,559.08-2,101,782.64

Finding the Fourth Proportional to 3,478,630.36, 4,800,559.08 and 2,101,782.64

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Solution

The fourth proportional to 3,478,630.36, 4,800,559.08 and 2,101,782.64 is: 2,900,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,630.36 : 4,800,559.08 = 2,101,782.64 : x
  2. Step 2: Convert to fraction form
    3,478,630.36/4,800,559.08 = 2,101,782.64/x
  3. Step 3: Cross multiply
    3,478,630.36x = 4,800,559.08 × 2,101,782.64
  4. Step 4: Simplify right side
    3,478,630.36x = 10,089,731,736,638.37
  5. Step 5: Solve for x
    x = 10,089,731,736,638.37/3,478,630.36
  6. Step 6: Final answer
    x = 2,900,489.76

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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.