Home / 1,901,784.07-2,851,626.34-780,640.39

Finding the Fourth Proportional to 1,901,784.07, 2,851,626.34 and 780,640.39

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Solution

The fourth proportional to 1,901,784.07, 2,851,626.34 and 780,640.39 is: 1,170,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,784.07 : 2,851,626.34 = 780,640.39 : x
  2. Step 2: Convert to fraction form
    1,901,784.07/2,851,626.34 = 780,640.39/x
  3. Step 3: Cross multiply
    1,901,784.07x = 2,851,626.34 × 780,640.39
  4. Step 4: Simplify right side
    1,901,784.07x = 2,226,094,698,191.87
  5. Step 5: Solve for x
    x = 2,226,094,698,191.87/1,901,784.07
  6. Step 6: Final answer
    x = 1,170,529.68

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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.