Home / 1,913,377.42-2,638,890.12-1,396,550.44

Finding the Fourth Proportional to 1,913,377.42, 2,638,890.12 and 1,396,550.44

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Solution

The fourth proportional to 1,913,377.42, 2,638,890.12 and 1,396,550.44 is: 1,926,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,377.42 : 2,638,890.12 = 1,396,550.44 : x
  2. Step 2: Convert to fraction form
    1,913,377.42/2,638,890.12 = 1,396,550.44/x
  3. Step 3: Cross multiply
    1,913,377.42x = 2,638,890.12 × 1,396,550.44
  4. Step 4: Simplify right side
    1,913,377.42x = 3,685,343,158,197.65
  5. Step 5: Solve for x
    x = 3,685,343,158,197.65/1,913,377.42
  6. Step 6: Final answer
    x = 1,926,093.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.