Home / 2,178,696.37-3,006,557.85-1,211,805.85

Finding the Fourth Proportional to 2,178,696.37, 3,006,557.85 and 1,211,805.85

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Solution

The fourth proportional to 2,178,696.37, 3,006,557.85 and 1,211,805.85 is: 1,672,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,696.37 : 3,006,557.85 = 1,211,805.85 : x
  2. Step 2: Convert to fraction form
    2,178,696.37/3,006,557.85 = 1,211,805.85/x
  3. Step 3: Cross multiply
    2,178,696.37x = 3,006,557.85 × 1,211,805.85
  4. Step 4: Simplify right side
    2,178,696.37x = 3,643,364,390,993.42
  5. Step 5: Solve for x
    x = 3,643,364,390,993.42/2,178,696.37
  6. Step 6: Final answer
    x = 1,672,268.08

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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.