Home / 2,936,701.90-4,405,052.85-2,139,540.40

Finding the Fourth Proportional to 2,936,701.90, 4,405,052.85 and 2,139,540.40

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Solution

The fourth proportional to 2,936,701.90, 4,405,052.85 and 2,139,540.40 is: 3,209,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,701.90 : 4,405,052.85 = 2,139,540.40 : x
  2. Step 2: Convert to fraction form
    2,936,701.90/4,405,052.85 = 2,139,540.40/x
  3. Step 3: Cross multiply
    2,936,701.90x = 4,405,052.85 × 2,139,540.40
  4. Step 4: Simplify right side
    2,936,701.90x = 9,424,788,536,710.14
  5. Step 5: Solve for x
    x = 9,424,788,536,710.14/2,936,701.90
  6. Step 6: Final answer
    x = 3,209,310.60

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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.