Home / 2,075,007.85-3,112,802.97-726,861.78

Finding the Fourth Proportional to 2,075,007.85, 3,112,802.97 and 726,861.78

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Solution

The fourth proportional to 2,075,007.85, 3,112,802.97 and 726,861.78 is: 1,090,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,007.85 : 3,112,802.97 = 726,861.78 : x
  2. Step 2: Convert to fraction form
    2,075,007.85/3,112,802.97 = 726,861.78/x
  3. Step 3: Cross multiply
    2,075,007.85x = 3,112,802.97 × 726,861.78
  4. Step 4: Simplify right side
    2,075,007.85x = 2,262,577,507,563.49
  5. Step 5: Solve for x
    x = 2,262,577,507,563.49/2,075,007.85
  6. Step 6: Final answer
    x = 1,090,394.67

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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.