Home / 2,021,276.40-3,028,228.20-1,645,263.60

Finding the Fourth Proportional to 2,021,276.40, 3,028,228.20 and 1,645,263.60

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Solution

The fourth proportional to 2,021,276.40, 3,028,228.20 and 1,645,263.60 is: 2,464,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,276.40 : 3,028,228.20 = 1,645,263.60 : x
  2. Step 2: Convert to fraction form
    2,021,276.40/3,028,228.20 = 1,645,263.60/x
  3. Step 3: Cross multiply
    2,021,276.40x = 3,028,228.20 × 1,645,263.60
  4. Step 4: Simplify right side
    2,021,276.40x = 4,982,233,629,953.52
  5. Step 5: Solve for x
    x = 4,982,233,629,953.52/2,021,276.40
  6. Step 6: Final answer
    x = 2,464,894.77

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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.