Home / 1,907,197.76-2,631,823.65-1,047,739.56

Finding the Fourth Proportional to 1,907,197.76, 2,631,823.65 and 1,047,739.56

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Solution

The fourth proportional to 1,907,197.76, 2,631,823.65 and 1,047,739.56 is: 1,445,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,197.76 : 2,631,823.65 = 1,047,739.56 : x
  2. Step 2: Convert to fraction form
    1,907,197.76/2,631,823.65 = 1,047,739.56/x
  3. Step 3: Cross multiply
    1,907,197.76x = 2,631,823.65 × 1,047,739.56
  4. Step 4: Simplify right side
    1,907,197.76x = 2,757,465,753,048.59
  5. Step 5: Solve for x
    x = 2,757,465,753,048.59/1,907,197.76
  6. Step 6: Final answer
    x = 1,445,820.57

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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.