Home / 1,621,021.74-2,237,223.85-1,567,789.48

Finding the Fourth Proportional to 1,621,021.74, 2,237,223.85 and 1,567,789.48

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Solution

The fourth proportional to 1,621,021.74, 2,237,223.85 and 1,567,789.48 is: 2,163,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,021.74 : 2,237,223.85 = 1,567,789.48 : x
  2. Step 2: Convert to fraction form
    1,621,021.74/2,237,223.85 = 1,567,789.48/x
  3. Step 3: Cross multiply
    1,621,021.74x = 2,237,223.85 × 1,567,789.48
  4. Step 4: Simplify right side
    1,621,021.74x = 3,507,496,002,727.77
  5. Step 5: Solve for x
    x = 3,507,496,002,727.77/1,621,021.74
  6. Step 6: Final answer
    x = 2,163,756.30

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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.