Home / 1,944,303.78-2,682,390.88-1,217,886.87

Finding the Fourth Proportional to 1,944,303.78, 2,682,390.88 and 1,217,886.87

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Solution

The fourth proportional to 1,944,303.78, 2,682,390.88 and 1,217,886.87 is: 1,680,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,303.78 : 2,682,390.88 = 1,217,886.87 : x
  2. Step 2: Convert to fraction form
    1,944,303.78/2,682,390.88 = 1,217,886.87/x
  3. Step 3: Cross multiply
    1,944,303.78x = 2,682,390.88 × 1,217,886.87
  4. Step 4: Simplify right side
    1,944,303.78x = 3,266,848,644,541.07
  5. Step 5: Solve for x
    x = 3,266,848,644,541.07/1,944,303.78
  6. Step 6: Final answer
    x = 1,680,215.14

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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.