Home / 1,782,009.90-2,667,766.05-1,678,200.30

Finding the Fourth Proportional to 1,782,009.90, 2,667,766.05 and 1,678,200.30

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Solution

The fourth proportional to 1,782,009.90, 2,667,766.05 and 1,678,200.30 is: 2,512,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,009.90 : 2,667,766.05 = 1,678,200.30 : x
  2. Step 2: Convert to fraction form
    1,782,009.90/2,667,766.05 = 1,678,200.30/x
  3. Step 3: Cross multiply
    1,782,009.90x = 2,667,766.05 × 1,678,200.30
  4. Step 4: Simplify right side
    1,782,009.90x = 4,477,045,785,439.81
  5. Step 5: Solve for x
    x = 4,477,045,785,439.81/1,782,009.90
  6. Step 6: Final answer
    x = 2,512,357.41

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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.