Home / 3,075,450.21-4,243,269.51-1,768,631.24

Finding the Fourth Proportional to 3,075,450.21, 4,243,269.51 and 1,768,631.24

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Solution

The fourth proportional to 3,075,450.21, 4,243,269.51 and 1,768,631.24 is: 2,440,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,450.21 : 4,243,269.51 = 1,768,631.24 : x
  2. Step 2: Convert to fraction form
    3,075,450.21/4,243,269.51 = 1,768,631.24/x
  3. Step 3: Cross multiply
    3,075,450.21x = 4,243,269.51 × 1,768,631.24
  4. Step 4: Simplify right side
    3,075,450.21x = 7,504,779,015,125.49
  5. Step 5: Solve for x
    x = 7,504,779,015,125.49/3,075,450.21
  6. Step 6: Final answer
    x = 2,440,221.27

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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.