Home / 2,789,918.19-4,180,979.70-1,507,761.50

Finding the Fourth Proportional to 2,789,918.19, 4,180,979.70 and 1,507,761.50

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Solution

The fourth proportional to 2,789,918.19, 4,180,979.70 and 1,507,761.50 is: 2,259,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,918.19 : 4,180,979.70 = 1,507,761.50 : x
  2. Step 2: Convert to fraction form
    2,789,918.19/4,180,979.70 = 1,507,761.50/x
  3. Step 3: Cross multiply
    2,789,918.19x = 4,180,979.70 × 1,507,761.50
  4. Step 4: Simplify right side
    2,789,918.19x = 6,303,920,203,036.65
  5. Step 5: Solve for x
    x = 6,303,920,203,036.65/2,789,918.19
  6. Step 6: Final answer
    x = 2,259,535.86

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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.