Home / 2,075,288.76-3,113,879.01-1,065,120.12

Finding the Fourth Proportional to 2,075,288.76, 3,113,879.01 and 1,065,120.12

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Solution

The fourth proportional to 2,075,288.76, 3,113,879.01 and 1,065,120.12 is: 1,598,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,288.76 : 3,113,879.01 = 1,065,120.12 : x
  2. Step 2: Convert to fraction form
    2,075,288.76/3,113,879.01 = 1,065,120.12/x
  3. Step 3: Cross multiply
    2,075,288.76x = 3,113,879.01 × 1,065,120.12
  4. Step 4: Simplify right side
    2,075,288.76x = 3,316,655,184,796.68
  5. Step 5: Solve for x
    x = 3,316,655,184,796.68/2,075,288.76
  6. Step 6: Final answer
    x = 1,598,165.64

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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.