Home / 2,106,855.54-2,907,452.61-1,139,987.70

Finding the Fourth Proportional to 2,106,855.54, 2,907,452.61 and 1,139,987.70

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Solution

The fourth proportional to 2,106,855.54, 2,907,452.61 and 1,139,987.70 is: 1,573,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,855.54 : 2,907,452.61 = 1,139,987.70 : x
  2. Step 2: Convert to fraction form
    2,106,855.54/2,907,452.61 = 1,139,987.70/x
  3. Step 3: Cross multiply
    2,106,855.54x = 2,907,452.61 × 1,139,987.70
  4. Step 4: Simplify right side
    2,106,855.54x = 3,314,460,213,732.90
  5. Step 5: Solve for x
    x = 3,314,460,213,732.90/2,106,855.54
  6. Step 6: Final answer
    x = 1,573,178.68

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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.