Home / 1,869,003.18-2,579,224.05-1,009,563.48

Finding the Fourth Proportional to 1,869,003.18, 2,579,224.05 and 1,009,563.48

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Solution

The fourth proportional to 1,869,003.18, 2,579,224.05 and 1,009,563.48 is: 1,393,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,003.18 : 2,579,224.05 = 1,009,563.48 : x
  2. Step 2: Convert to fraction form
    1,869,003.18/2,579,224.05 = 1,009,563.48/x
  3. Step 3: Cross multiply
    1,869,003.18x = 2,579,224.05 × 1,009,563.48
  4. Step 4: Simplify right side
    1,869,003.18x = 2,603,890,407,617.69
  5. Step 5: Solve for x
    x = 2,603,890,407,617.69/1,869,003.18
  6. Step 6: Final answer
    x = 1,393,197.42

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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.