Home / 1,768,037.80-2,645,835.90-1,618,738.60

Finding the Fourth Proportional to 1,768,037.80, 2,645,835.90 and 1,618,738.60

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Solution

The fourth proportional to 1,768,037.80, 2,645,835.90 and 1,618,738.60 is: 2,422,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,037.80 : 2,645,835.90 = 1,618,738.60 : x
  2. Step 2: Convert to fraction form
    1,768,037.80/2,645,835.90 = 1,618,738.60/x
  3. Step 3: Cross multiply
    1,768,037.80x = 2,645,835.90 × 1,618,738.60
  4. Step 4: Simplify right side
    1,768,037.80x = 4,282,916,700,595.74
  5. Step 5: Solve for x
    x = 4,282,916,700,595.74/1,768,037.80
  6. Step 6: Final answer
    x = 2,422,412.41

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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.