Home / 2,021,090.22-2,789,573.40-1,332,886.28

Finding the Fourth Proportional to 2,021,090.22, 2,789,573.40 and 1,332,886.28

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Solution

The fourth proportional to 2,021,090.22, 2,789,573.40 and 1,332,886.28 is: 1,839,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,090.22 : 2,789,573.40 = 1,332,886.28 : x
  2. Step 2: Convert to fraction form
    2,021,090.22/2,789,573.40 = 1,332,886.28/x
  3. Step 3: Cross multiply
    2,021,090.22x = 2,789,573.40 × 1,332,886.28
  4. Step 4: Simplify right side
    2,021,090.22x = 3,718,184,097,965.08
  5. Step 5: Solve for x
    x = 3,718,184,097,965.08/2,021,090.22
  6. Step 6: Final answer
    x = 1,839,692.29

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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.