Home / 1,975,017.48-2,725,745.79-1,115,633.10

Finding the Fourth Proportional to 1,975,017.48, 2,725,745.79 and 1,115,633.10

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Solution

The fourth proportional to 1,975,017.48, 2,725,745.79 and 1,115,633.10 is: 1,539,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,017.48 : 2,725,745.79 = 1,115,633.10 : x
  2. Step 2: Convert to fraction form
    1,975,017.48/2,725,745.79 = 1,115,633.10/x
  3. Step 3: Cross multiply
    1,975,017.48x = 2,725,745.79 × 1,115,633.10
  4. Step 4: Simplify right side
    1,975,017.48x = 3,040,932,225,509.65
  5. Step 5: Solve for x
    x = 3,040,932,225,509.65/1,975,017.48
  6. Step 6: Final answer
    x = 1,539,698.89

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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.