Home / 3,281,698.16-4,528,717.12-1,905,169.60

Finding the Fourth Proportional to 3,281,698.16, 4,528,717.12 and 1,905,169.60

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Solution

The fourth proportional to 3,281,698.16, 4,528,717.12 and 1,905,169.60 is: 2,629,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,698.16 : 4,528,717.12 = 1,905,169.60 : x
  2. Step 2: Convert to fraction form
    3,281,698.16/4,528,717.12 = 1,905,169.60/x
  3. Step 3: Cross multiply
    3,281,698.16x = 4,528,717.12 × 1,905,169.60
  4. Step 4: Simplify right side
    3,281,698.16x = 8,627,974,184,023.55
  5. Step 5: Solve for x
    x = 8,627,974,184,023.55/3,281,698.16
  6. Step 6: Final answer
    x = 2,629,118.76

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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.