Home / 2,074,190.40-3,111,285.60-1,948,219.20

Finding the Fourth Proportional to 2,074,190.40, 3,111,285.60 and 1,948,219.20

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Solution

The fourth proportional to 2,074,190.40, 3,111,285.60 and 1,948,219.20 is: 2,922,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,190.40 : 3,111,285.60 = 1,948,219.20 : x
  2. Step 2: Convert to fraction form
    2,074,190.40/3,111,285.60 = 1,948,219.20/x
  3. Step 3: Cross multiply
    2,074,190.40x = 3,111,285.60 × 1,948,219.20
  4. Step 4: Simplify right side
    2,074,190.40x = 6,061,466,342,603.52
  5. Step 5: Solve for x
    x = 6,061,466,342,603.52/2,074,190.40
  6. Step 6: Final answer
    x = 2,922,328.80

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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.