Home / 3,180,118.16-4,768,250.78-1,427,075.54

Finding the Fourth Proportional to 3,180,118.16, 4,768,250.78 and 1,427,075.54

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Solution

The fourth proportional to 3,180,118.16, 4,768,250.78 and 1,427,075.54 is: 2,139,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,118.16 : 4,768,250.78 = 1,427,075.54 : x
  2. Step 2: Convert to fraction form
    3,180,118.16/4,768,250.78 = 1,427,075.54/x
  3. Step 3: Cross multiply
    3,180,118.16x = 4,768,250.78 × 1,427,075.54
  4. Step 4: Simplify right side
    3,180,118.16x = 6,804,654,056,723.92
  5. Step 5: Solve for x
    x = 6,804,654,056,723.92/3,180,118.16
  6. Step 6: Final answer
    x = 2,139,748.81

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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.