Home / 3,075,451.21-4,243,270.89-1,768,632.24

Finding the Fourth Proportional to 3,075,451.21, 4,243,270.89 and 1,768,632.24

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Solution

The fourth proportional to 3,075,451.21, 4,243,270.89 and 1,768,632.24 is: 2,440,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,451.21 : 4,243,270.89 = 1,768,632.24 : x
  2. Step 2: Convert to fraction form
    3,075,451.21/4,243,270.89 = 1,768,632.24/x
  3. Step 3: Cross multiply
    3,075,451.21x = 4,243,270.89 × 1,768,632.24
  4. Step 4: Simplify right side
    3,075,451.21x = 7,504,785,699,107.49
  5. Step 5: Solve for x
    x = 7,504,785,699,107.49/3,075,451.21
  6. Step 6: Final answer
    x = 2,440,222.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.