Home / 1,939,970.93-2,904,987.78-1,619,325.54

Finding the Fourth Proportional to 1,939,970.93, 2,904,987.78 and 1,619,325.54

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Solution

The fourth proportional to 1,939,970.93, 2,904,987.78 and 1,619,325.54 is: 2,424,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,970.93 : 2,904,987.78 = 1,619,325.54 : x
  2. Step 2: Convert to fraction form
    1,939,970.93/2,904,987.78 = 1,619,325.54/x
  3. Step 3: Cross multiply
    1,939,970.93x = 2,904,987.78 × 1,619,325.54
  4. Step 4: Simplify right side
    1,939,970.93x = 4,704,120,905,541.90
  5. Step 5: Solve for x
    x = 4,704,120,905,541.90/1,939,970.93
  6. Step 6: Final answer
    x = 2,424,840.93

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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.