Home / 2,673,120.12-4,009,613.46-779,878.20

Finding the Fourth Proportional to 2,673,120.12, 4,009,613.46 and 779,878.20

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Solution

The fourth proportional to 2,673,120.12, 4,009,613.46 and 779,878.20 is: 1,169,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,120.12 : 4,009,613.46 = 779,878.20 : x
  2. Step 2: Convert to fraction form
    2,673,120.12/4,009,613.46 = 779,878.20/x
  3. Step 3: Cross multiply
    2,673,120.12x = 4,009,613.46 × 779,878.20
  4. Step 4: Simplify right side
    2,673,120.12x = 3,127,010,127,880.57
  5. Step 5: Solve for x
    x = 3,127,010,127,880.57/2,673,120.12
  6. Step 6: Final answer
    x = 1,169,797.83

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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.