Home / 1,776,021.80-2,664,032.70-1,212,002.60

Finding the Fourth Proportional to 1,776,021.80, 2,664,032.70 and 1,212,002.60

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Solution

The fourth proportional to 1,776,021.80, 2,664,032.70 and 1,212,002.60 is: 1,818,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,021.80 : 2,664,032.70 = 1,212,002.60 : x
  2. Step 2: Convert to fraction form
    1,776,021.80/2,664,032.70 = 1,212,002.60/x
  3. Step 3: Cross multiply
    1,776,021.80x = 2,664,032.70 × 1,212,002.60
  4. Step 4: Simplify right side
    1,776,021.80x = 3,228,814,558,885.02
  5. Step 5: Solve for x
    x = 3,228,814,558,885.02/1,776,021.80
  6. Step 6: Final answer
    x = 1,818,003.90

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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.