Home / 1,868,994.82-2,580,333.33-1,225,537.30

Finding the Fourth Proportional to 1,868,994.82, 2,580,333.33 and 1,225,537.30

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Solution

The fourth proportional to 1,868,994.82, 2,580,333.33 and 1,225,537.30 is: 1,691,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,994.82 : 2,580,333.33 = 1,225,537.30 : x
  2. Step 2: Convert to fraction form
    1,868,994.82/2,580,333.33 = 1,225,537.30/x
  3. Step 3: Cross multiply
    1,868,994.82x = 2,580,333.33 × 1,225,537.30
  4. Step 4: Simplify right side
    1,868,994.82x = 3,162,294,742,348.21
  5. Step 5: Solve for x
    x = 3,162,294,742,348.21/1,868,994.82
  6. Step 6: Final answer
    x = 1,691,976.19

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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.