Home / 2,605,038.60-3,908,249.10-921,966.60

Finding the Fourth Proportional to 2,605,038.60, 3,908,249.10 and 921,966.60

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Solution

The fourth proportional to 2,605,038.60, 3,908,249.10 and 921,966.60 is: 1,383,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,038.60 : 3,908,249.10 = 921,966.60 : x
  2. Step 2: Convert to fraction form
    2,605,038.60/3,908,249.10 = 921,966.60/x
  3. Step 3: Cross multiply
    2,605,038.60x = 3,908,249.10 × 921,966.60
  4. Step 4: Simplify right side
    2,605,038.60x = 3,603,275,134,680.06
  5. Step 5: Solve for x
    x = 3,603,275,134,680.06/2,605,038.60
  6. Step 6: Final answer
    x = 1,383,194.53

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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.