Home / 2,021,453.60-2,789,607.84-1,116,035.68

Finding the Fourth Proportional to 2,021,453.60, 2,789,607.84 and 1,116,035.68

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Solution

The fourth proportional to 2,021,453.60, 2,789,607.84 and 1,116,035.68 is: 1,540,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,453.60 : 2,789,607.84 = 1,116,035.68 : x
  2. Step 2: Convert to fraction form
    2,021,453.60/2,789,607.84 = 1,116,035.68/x
  3. Step 3: Cross multiply
    2,021,453.60x = 2,789,607.84 × 1,116,035.68
  4. Step 4: Simplify right side
    2,021,453.60x = 3,113,301,882,647.73
  5. Step 5: Solve for x
    x = 3,113,301,882,647.73/2,021,453.60
  6. Step 6: Final answer
    x = 1,540,130.27

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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.