Home / 2,439,945.80-3,664,477.28-2,147,929.12

Finding the Fourth Proportional to 2,439,945.80, 3,664,477.28 and 2,147,929.12

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Solution

The fourth proportional to 2,439,945.80, 3,664,477.28 and 2,147,929.12 is: 3,225,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,945.80 : 3,664,477.28 = 2,147,929.12 : x
  2. Step 2: Convert to fraction form
    2,439,945.80/3,664,477.28 = 2,147,929.12/x
  3. Step 3: Cross multiply
    2,439,945.80x = 3,664,477.28 × 2,147,929.12
  4. Step 4: Simplify right side
    2,439,945.80x = 7,871,037,459,290.39
  5. Step 5: Solve for x
    x = 7,871,037,459,290.39/2,439,945.80
  6. Step 6: Final answer
    x = 3,225,906.68

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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.