Home / 3,349,238.12-4,622,069.86-1,918,730.60

Finding the Fourth Proportional to 3,349,238.12, 4,622,069.86 and 1,918,730.60

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Solution

The fourth proportional to 3,349,238.12, 4,622,069.86 and 1,918,730.60 is: 2,647,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,238.12 : 4,622,069.86 = 1,918,730.60 : x
  2. Step 2: Convert to fraction form
    3,349,238.12/4,622,069.86 = 1,918,730.60/x
  3. Step 3: Cross multiply
    3,349,238.12x = 4,622,069.86 × 1,918,730.60
  4. Step 4: Simplify right side
    3,349,238.12x = 8,868,506,875,719.72
  5. Step 5: Solve for x
    x = 8,868,506,875,719.72/3,349,238.12
  6. Step 6: Final answer
    x = 2,647,917.69

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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.