Home / 2,776,408.60-4,166,168.10-1,178,699.80

Finding the Fourth Proportional to 2,776,408.60, 4,166,168.10 and 1,178,699.80

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Solution

The fourth proportional to 2,776,408.60, 4,166,168.10 and 1,178,699.80 is: 1,768,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,408.60 : 4,166,168.10 = 1,178,699.80 : x
  2. Step 2: Convert to fraction form
    2,776,408.60/4,166,168.10 = 1,178,699.80/x
  3. Step 3: Cross multiply
    2,776,408.60x = 4,166,168.10 × 1,178,699.80
  4. Step 4: Simplify right side
    2,776,408.60x = 4,910,661,506,236.38
  5. Step 5: Solve for x
    x = 4,910,661,506,236.38/2,776,408.60
  6. Step 6: Final answer
    x = 1,768,709.95

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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.