Home / 3,919,271.55-5,408,455.95-2,200,464.51

Finding the Fourth Proportional to 3,919,271.55, 5,408,455.95 and 2,200,464.51

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Solution

The fourth proportional to 3,919,271.55, 5,408,455.95 and 2,200,464.51 is: 3,036,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,271.55 : 5,408,455.95 = 2,200,464.51 : x
  2. Step 2: Convert to fraction form
    3,919,271.55/5,408,455.95 = 2,200,464.51/x
  3. Step 3: Cross multiply
    3,919,271.55x = 5,408,455.95 × 2,200,464.51
  4. Step 4: Simplify right side
    3,919,271.55x = 11,901,115,371,873.33
  5. Step 5: Solve for x
    x = 11,901,115,371,873.33/3,919,271.55
  6. Step 6: Final answer
    x = 3,036,563.10

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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.