Home / 3,936,769.60-5,905,154.40-1,946,113.60

Finding the Fourth Proportional to 3,936,769.60, 5,905,154.40 and 1,946,113.60

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Solution

The fourth proportional to 3,936,769.60, 5,905,154.40 and 1,946,113.60 is: 2,919,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,769.60 : 5,905,154.40 = 1,946,113.60 : x
  2. Step 2: Convert to fraction form
    3,936,769.60/5,905,154.40 = 1,946,113.60/x
  3. Step 3: Cross multiply
    3,936,769.60x = 5,905,154.40 × 1,946,113.60
  4. Step 4: Simplify right side
    3,936,769.60x = 11,492,101,287,939.84
  5. Step 5: Solve for x
    x = 11,492,101,287,939.84/3,936,769.60
  6. Step 6: Final answer
    x = 2,919,170.40

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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.