Home / 2,798,830.86-3,864,556.47-2,185,913.58

Finding the Fourth Proportional to 2,798,830.86, 3,864,556.47 and 2,185,913.58

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Solution

The fourth proportional to 2,798,830.86, 3,864,556.47 and 2,185,913.58 is: 3,018,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,830.86 : 3,864,556.47 = 2,185,913.58 : x
  2. Step 2: Convert to fraction form
    2,798,830.86/3,864,556.47 = 2,185,913.58/x
  3. Step 3: Cross multiply
    2,798,830.86x = 3,864,556.47 × 2,185,913.58
  4. Step 4: Simplify right side
    2,798,830.86x = 8,447,586,468,449.86
  5. Step 5: Solve for x
    x = 8,447,586,468,449.86/2,798,830.86
  6. Step 6: Final answer
    x = 3,018,255.44

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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.