Home / 2,186,310.42-3,017,113.72-1,219,503.33

Finding the Fourth Proportional to 2,186,310.42, 3,017,113.72 and 1,219,503.33

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Solution

The fourth proportional to 2,186,310.42, 3,017,113.72 and 1,219,503.33 is: 1,682,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,310.42 : 3,017,113.72 = 1,219,503.33 : x
  2. Step 2: Convert to fraction form
    2,186,310.42/3,017,113.72 = 1,219,503.33/x
  3. Step 3: Cross multiply
    2,186,310.42x = 3,017,113.72 × 1,219,503.33
  4. Step 4: Simplify right side
    2,186,310.42x = 3,679,380,225,479.93
  5. Step 5: Solve for x
    x = 3,679,380,225,479.93/2,186,310.42
  6. Step 6: Final answer
    x = 1,682,917.57

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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.