Home / 2,172,730.20-2,987,732.62-1,885,750.52

Finding the Fourth Proportional to 2,172,730.20, 2,987,732.62 and 1,885,750.52

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Solution

The fourth proportional to 2,172,730.20, 2,987,732.62 and 1,885,750.52 is: 2,593,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,730.20 : 2,987,732.62 = 1,885,750.52 : x
  2. Step 2: Convert to fraction form
    2,172,730.20/2,987,732.62 = 1,885,750.52/x
  3. Step 3: Cross multiply
    2,172,730.20x = 2,987,732.62 × 1,885,750.52
  4. Step 4: Simplify right side
    2,172,730.20x = 5,634,118,341,785.96
  5. Step 5: Solve for x
    x = 5,634,118,341,785.96/2,172,730.20
  6. Step 6: Final answer
    x = 2,593,105.37

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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.