Home / 1,897,620.41-2,618,745.69-1,038,195.02

Finding the Fourth Proportional to 1,897,620.41, 2,618,745.69 and 1,038,195.02

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Solution

The fourth proportional to 1,897,620.41, 2,618,745.69 and 1,038,195.02 is: 1,432,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,620.41 : 2,618,745.69 = 1,038,195.02 : x
  2. Step 2: Convert to fraction form
    1,897,620.41/2,618,745.69 = 1,038,195.02/x
  3. Step 3: Cross multiply
    1,897,620.41x = 2,618,745.69 × 1,038,195.02
  4. Step 4: Simplify right side
    1,897,620.41x = 2,718,768,744,444.56
  5. Step 5: Solve for x
    x = 2,718,768,744,444.56/1,897,620.41
  6. Step 6: Final answer
    x = 1,432,725.28

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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.