Home / 3,678,040.12-5,509,886.78-2,075,756.44

Finding the Fourth Proportional to 3,678,040.12, 5,509,886.78 and 2,075,756.44

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Solution

The fourth proportional to 3,678,040.12, 5,509,886.78 and 2,075,756.44 is: 3,109,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,040.12 : 5,509,886.78 = 2,075,756.44 : x
  2. Step 2: Convert to fraction form
    3,678,040.12/5,509,886.78 = 2,075,756.44/x
  3. Step 3: Cross multiply
    3,678,040.12x = 5,509,886.78 × 2,075,756.44
  4. Step 4: Simplify right side
    3,678,040.12x = 11,437,182,967,255.86
  5. Step 5: Solve for x
    x = 11,437,182,967,255.86/3,678,040.12
  6. Step 6: Final answer
    x = 3,109,586.25

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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.