Home / 2,167,801.35-2,991,347.85-1,200,750.94

Finding the Fourth Proportional to 2,167,801.35, 2,991,347.85 and 1,200,750.94

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Solution

The fourth proportional to 2,167,801.35, 2,991,347.85 and 1,200,750.94 is: 1,656,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,801.35 : 2,991,347.85 = 1,200,750.94 : x
  2. Step 2: Convert to fraction form
    2,167,801.35/2,991,347.85 = 1,200,750.94/x
  3. Step 3: Cross multiply
    2,167,801.35x = 2,991,347.85 × 1,200,750.94
  4. Step 4: Simplify right side
    2,167,801.35x = 3,591,863,742,754.48
  5. Step 5: Solve for x
    x = 3,591,863,742,754.48/2,167,801.35
  6. Step 6: Final answer
    x = 1,656,915.54

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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.