Home / 2,185,904.52-3,280,101.06-1,438,302.60

Finding the Fourth Proportional to 2,185,904.52, 3,280,101.06 and 1,438,302.60

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Solution

The fourth proportional to 2,185,904.52, 3,280,101.06 and 1,438,302.60 is: 2,158,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,904.52 : 3,280,101.06 = 1,438,302.60 : x
  2. Step 2: Convert to fraction form
    2,185,904.52/3,280,101.06 = 1,438,302.60/x
  3. Step 3: Cross multiply
    2,185,904.52x = 3,280,101.06 × 1,438,302.60
  4. Step 4: Simplify right side
    2,185,904.52x = 4,717,777,882,860.76
  5. Step 5: Solve for x
    x = 4,717,777,882,860.76/2,185,904.52
  6. Step 6: Final answer
    x = 2,158,272.62

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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.