Home / 3,858,925.20-5,325,280.47-2,116,558.91

Finding the Fourth Proportional to 3,858,925.20, 5,325,280.47 and 2,116,558.91

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Solution

The fourth proportional to 3,858,925.20, 5,325,280.47 and 2,116,558.91 is: 2,920,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,925.20 : 5,325,280.47 = 2,116,558.91 : x
  2. Step 2: Convert to fraction form
    3,858,925.20/5,325,280.47 = 2,116,558.91/x
  3. Step 3: Cross multiply
    3,858,925.20x = 5,325,280.47 × 2,116,558.91
  4. Step 4: Simplify right side
    3,858,925.20x = 11,271,269,800,401.08
  5. Step 5: Solve for x
    x = 11,271,269,800,401.08/3,858,925.20
  6. Step 6: Final answer
    x = 2,920,831.38

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1.5x scale

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.