Home / 2,768,945.80-4,155,276.30-971,825.80

Finding the Fourth Proportional to 2,768,945.80, 4,155,276.30 and 971,825.80

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Solution

The fourth proportional to 2,768,945.80, 4,155,276.30 and 971,825.80 is: 1,458,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,945.80 : 4,155,276.30 = 971,825.80 : x
  2. Step 2: Convert to fraction form
    2,768,945.80/4,155,276.30 = 971,825.80/x
  3. Step 3: Cross multiply
    2,768,945.80x = 4,155,276.30 × 971,825.80
  4. Step 4: Simplify right side
    2,768,945.80x = 4,038,204,714,468.54
  5. Step 5: Solve for x
    x = 4,038,204,714,468.54/2,768,945.80
  6. Step 6: Final answer
    x = 1,458,390.67

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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.