Home / 2,238,607.80-3,089,267.10-1,220,003.64

Finding the Fourth Proportional to 2,238,607.80, 3,089,267.10 and 1,220,003.64

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Solution

The fourth proportional to 2,238,607.80, 3,089,267.10 and 1,220,003.64 is: 1,683,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,607.80 : 3,089,267.10 = 1,220,003.64 : x
  2. Step 2: Convert to fraction form
    2,238,607.80/3,089,267.10 = 1,220,003.64/x
  3. Step 3: Cross multiply
    2,238,607.80x = 3,089,267.10 × 1,220,003.64
  4. Step 4: Simplify right side
    2,238,607.80x = 3,768,917,106,932.24
  5. Step 5: Solve for x
    x = 3,768,917,106,932.24/2,238,607.80
  6. Step 6: Final answer
    x = 1,683,598.67

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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.