Home / 2,792,853.60-4,189,280.40-2,603,896.80

Finding the Fourth Proportional to 2,792,853.60, 4,189,280.40 and 2,603,896.80

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Solution

The fourth proportional to 2,792,853.60, 4,189,280.40 and 2,603,896.80 is: 3,905,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,853.60 : 4,189,280.40 = 2,603,896.80 : x
  2. Step 2: Convert to fraction form
    2,792,853.60/4,189,280.40 = 2,603,896.80/x
  3. Step 3: Cross multiply
    2,792,853.60x = 4,189,280.40 × 2,603,896.80
  4. Step 4: Simplify right side
    2,792,853.60x = 10,908,453,827,862.72
  5. Step 5: Solve for x
    x = 10,908,453,827,862.72/2,792,853.60
  6. Step 6: Final answer
    x = 3,905,845.20

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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.