Home / 1,903,692.38-2,626,670.52-1,128,929.54

Finding the Fourth Proportional to 1,903,692.38, 2,626,670.52 and 1,128,929.54

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Solution

The fourth proportional to 1,903,692.38, 2,626,670.52 and 1,128,929.54 is: 1,557,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,692.38 : 2,626,670.52 = 1,128,929.54 : x
  2. Step 2: Convert to fraction form
    1,903,692.38/2,626,670.52 = 1,128,929.54/x
  3. Step 3: Cross multiply
    1,903,692.38x = 2,626,670.52 × 1,128,929.54
  4. Step 4: Simplify right side
    1,903,692.38x = 2,965,325,928,741.81
  5. Step 5: Solve for x
    x = 2,965,325,928,741.81/1,903,692.38
  6. Step 6: Final answer
    x = 1,557,670.75

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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.