Home / 1,828,692.72-2,523,738.12-1,012,972.32

Finding the Fourth Proportional to 1,828,692.72, 2,523,738.12 and 1,012,972.32

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Solution

The fourth proportional to 1,828,692.72, 2,523,738.12 and 1,012,972.32 is: 1,397,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,692.72 : 2,523,738.12 = 1,012,972.32 : x
  2. Step 2: Convert to fraction form
    1,828,692.72/2,523,738.12 = 1,012,972.32/x
  3. Step 3: Cross multiply
    1,828,692.72x = 2,523,738.12 × 1,012,972.32
  4. Step 4: Simplify right side
    1,828,692.72x = 2,556,476,858,488.84
  5. Step 5: Solve for x
    x = 2,556,476,858,488.84/1,828,692.72
  6. Step 6: Final answer
    x = 1,397,980.55

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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.