Home / 2,109,425.90-2,909,094.35-1,383,998.00

Finding the Fourth Proportional to 2,109,425.90, 2,909,094.35 and 1,383,998.00

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Solution

The fourth proportional to 2,109,425.90, 2,909,094.35 and 1,383,998.00 is: 1,908,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,425.90 : 2,909,094.35 = 1,383,998.00 : x
  2. Step 2: Convert to fraction form
    2,109,425.90/2,909,094.35 = 1,383,998.00/x
  3. Step 3: Cross multiply
    2,109,425.90x = 2,909,094.35 × 1,383,998.00
  4. Step 4: Simplify right side
    2,109,425.90x = 4,026,180,740,745.84
  5. Step 5: Solve for x
    x = 4,026,180,740,745.84/2,109,425.90
  6. Step 6: Final answer
    x = 1,908,661.85

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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.