Home / 2,759,969.60-4,139,954.40-866,902.40

Finding the Fourth Proportional to 2,759,969.60, 4,139,954.40 and 866,902.40

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Solution

The fourth proportional to 2,759,969.60, 4,139,954.40 and 866,902.40 is: 1,300,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,969.60 : 4,139,954.40 = 866,902.40 : x
  2. Step 2: Convert to fraction form
    2,759,969.60/4,139,954.40 = 866,902.40/x
  3. Step 3: Cross multiply
    2,759,969.60x = 4,139,954.40 × 866,902.40
  4. Step 4: Simplify right side
    2,759,969.60x = 3,588,936,405,250.56
  5. Step 5: Solve for x
    x = 3,588,936,405,250.56/2,759,969.60
  6. Step 6: Final answer
    x = 1,300,353.60

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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.