Home / 2,178,695.37-3,006,556.47-1,211,804.85

Finding the Fourth Proportional to 2,178,695.37, 3,006,556.47 and 1,211,804.85

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Solution

The fourth proportional to 2,178,695.37, 3,006,556.47 and 1,211,804.85 is: 1,672,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,695.37 : 3,006,556.47 = 1,211,804.85 : x
  2. Step 2: Convert to fraction form
    2,178,695.37/3,006,556.47 = 1,211,804.85/x
  3. Step 3: Cross multiply
    2,178,695.37x = 3,006,556.47 × 1,211,804.85
  4. Step 4: Simplify right side
    2,178,695.37x = 3,643,359,712,144.88
  5. Step 5: Solve for x
    x = 3,643,359,712,144.88/2,178,695.37
  6. Step 6: Final answer
    x = 1,672,266.70

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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.