Home / 1,907,146.50-2,630,813.90-1,208,147.23

Finding the Fourth Proportional to 1,907,146.50, 2,630,813.90 and 1,208,147.23

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Solution

The fourth proportional to 1,907,146.50, 2,630,813.90 and 1,208,147.23 is: 1,666,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,146.50 : 2,630,813.90 = 1,208,147.23 : x
  2. Step 2: Convert to fraction form
    1,907,146.50/2,630,813.90 = 1,208,147.23/x
  3. Step 3: Cross multiply
    1,907,146.50x = 2,630,813.90 × 1,208,147.23
  4. Step 4: Simplify right side
    1,907,146.50x = 3,178,410,529,974.11
  5. Step 5: Solve for x
    x = 3,178,410,529,974.11/1,907,146.50
  6. Step 6: Final answer
    x = 1,666,579.12

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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.