Home / 1,408,067.24-2,112,096.64-1,217,962.20

Finding the Fourth Proportional to 1,408,067.24, 2,112,096.64 and 1,217,962.20

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Solution

The fourth proportional to 1,408,067.24, 2,112,096.64 and 1,217,962.20 is: 1,826,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,067.24 : 2,112,096.64 = 1,217,962.20 : x
  2. Step 2: Convert to fraction form
    1,408,067.24/2,112,096.64 = 1,217,962.20/x
  3. Step 3: Cross multiply
    1,408,067.24x = 2,112,096.64 × 1,217,962.20
  4. Step 4: Simplify right side
    1,408,067.24x = 2,572,453,870,267.01
  5. Step 5: Solve for x
    x = 2,572,453,870,267.01/1,408,067.24
  6. Step 6: Final answer
    x = 1,826,939.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.