Home / 2,120,330.64-3,180,651.48-603,984.72

Finding the Fourth Proportional to 2,120,330.64, 3,180,651.48 and 603,984.72

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Solution

The fourth proportional to 2,120,330.64, 3,180,651.48 and 603,984.72 is: 906,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,330.64 : 3,180,651.48 = 603,984.72 : x
  2. Step 2: Convert to fraction form
    2,120,330.64/3,180,651.48 = 603,984.72/x
  3. Step 3: Cross multiply
    2,120,330.64x = 3,180,651.48 × 603,984.72
  4. Step 4: Simplify right side
    2,120,330.64x = 1,921,064,893,565.39
  5. Step 5: Solve for x
    x = 1,921,064,893,565.39/2,120,330.64
  6. Step 6: Final answer
    x = 906,021.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.