Home / 2,120,590.12-3,180,198.30-700,303.72

Finding the Fourth Proportional to 2,120,590.12, 3,180,198.30 and 700,303.72

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Solution

The fourth proportional to 2,120,590.12, 3,180,198.30 and 700,303.72 is: 1,050,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,590.12 : 3,180,198.30 = 700,303.72 : x
  2. Step 2: Convert to fraction form
    2,120,590.12/3,180,198.30 = 700,303.72/x
  3. Step 3: Cross multiply
    2,120,590.12x = 3,180,198.30 × 700,303.72
  4. Step 4: Simplify right side
    2,120,590.12x = 2,227,104,699,827.68
  5. Step 5: Solve for x
    x = 2,227,104,699,827.68/2,120,590.12
  6. Step 6: Final answer
    x = 1,050,228.74

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1.5x scale

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.