Home / 1,913,025.60-2,872,648.80-1,384,257.60

Finding the Fourth Proportional to 1,913,025.60, 2,872,648.80 and 1,384,257.60

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Solution

The fourth proportional to 1,913,025.60, 2,872,648.80 and 1,384,257.60 is: 2,078,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,025.60 : 2,872,648.80 = 1,384,257.60 : x
  2. Step 2: Convert to fraction form
    1,913,025.60/2,872,648.80 = 1,384,257.60/x
  3. Step 3: Cross multiply
    1,913,025.60x = 2,872,648.80 × 1,384,257.60
  4. Step 4: Simplify right side
    1,913,025.60x = 3,976,485,933,530.88
  5. Step 5: Solve for x
    x = 3,976,485,933,530.88/1,913,025.60
  6. Step 6: Final answer
    x = 2,078,637.07

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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.