Home / 2,956,860.80-4,435,291.20-827,111.60

Finding the Fourth Proportional to 2,956,860.80, 4,435,291.20 and 827,111.60

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Solution

The fourth proportional to 2,956,860.80, 4,435,291.20 and 827,111.60 is: 1,240,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,860.80 : 4,435,291.20 = 827,111.60 : x
  2. Step 2: Convert to fraction form
    2,956,860.80/4,435,291.20 = 827,111.60/x
  3. Step 3: Cross multiply
    2,956,860.80x = 4,435,291.20 × 827,111.60
  4. Step 4: Simplify right side
    2,956,860.80x = 3,668,480,800,897.92
  5. Step 5: Solve for x
    x = 3,668,480,800,897.92/2,956,860.80
  6. Step 6: Final answer
    x = 1,240,667.40

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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.