Home / 2,794,576.40-4,193,707.80-1,021,648.40

Finding the Fourth Proportional to 2,794,576.40, 4,193,707.80 and 1,021,648.40

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Solution

The fourth proportional to 2,794,576.40, 4,193,707.80 and 1,021,648.40 is: 1,533,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794,576.40 : 4,193,707.80 = 1,021,648.40 : x
  2. Step 2: Convert to fraction form
    2,794,576.40/4,193,707.80 = 1,021,648.40/x
  3. Step 3: Cross multiply
    2,794,576.40x = 4,193,707.80 × 1,021,648.40
  4. Step 4: Simplify right side
    2,794,576.40x = 4,284,494,863,937.52
  5. Step 5: Solve for x
    x = 4,284,494,863,937.52/2,794,576.40
  6. Step 6: Final answer
    x = 1,533,146.44

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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.