Home / 3,136,784.20-4,705,176.30-3,113,164.60

Finding the Fourth Proportional to 3,136,784.20, 4,705,176.30 and 3,113,164.60

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Solution

The fourth proportional to 3,136,784.20, 4,705,176.30 and 3,113,164.60 is: 4,669,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,784.20 : 4,705,176.30 = 3,113,164.60 : x
  2. Step 2: Convert to fraction form
    3,136,784.20/4,705,176.30 = 3,113,164.60/x
  3. Step 3: Cross multiply
    3,136,784.20x = 4,705,176.30 × 3,113,164.60
  4. Step 4: Simplify right side
    3,136,784.20x = 14,647,988,293,918.98
  5. Step 5: Solve for x
    x = 14,647,988,293,918.98/3,136,784.20
  6. Step 6: Final answer
    x = 4,669,746.90

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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.