Home / 5,430,466.80-8,143,626.60-1,642,690.80

Finding the Fourth Proportional to 5,430,466.80, 8,143,626.60 and 1,642,690.80

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Solution

The fourth proportional to 5,430,466.80, 8,143,626.60 and 1,642,690.80 is: 2,463,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,466.80 : 8,143,626.60 = 1,642,690.80 : x
  2. Step 2: Convert to fraction form
    5,430,466.80/8,143,626.60 = 1,642,690.80/x
  3. Step 3: Cross multiply
    5,430,466.80x = 8,143,626.60 × 1,642,690.80
  4. Step 4: Simplify right side
    5,430,466.80x = 13,377,460,494,455.28
  5. Step 5: Solve for x
    x = 13,377,460,494,455.28/5,430,466.80
  6. Step 6: Final answer
    x = 2,463,408.95

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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.