Home / 2,362,690-3,260,512.20-1,289,602

Finding the Fourth Proportional to 2,362,690, 3,260,512.20 and 1,289,602

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Solution

The fourth proportional to 2,362,690, 3,260,512.20 and 1,289,602 is: 1,779,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362,690 : 3,260,512.20 = 1,289,602 : x
  2. Step 2: Convert to fraction form
    2,362,690/3,260,512.20 = 1,289,602/x
  3. Step 3: Cross multiply
    2,362,690x = 3,260,512.20 × 1,289,602
  4. Step 4: Simplify right side
    2,362,690x = 4,204,763,054,144.40
  5. Step 5: Solve for x
    x = 4,204,763,054,144.40/2,362,690
  6. Step 6: Final answer
    x = 1,779,650.76

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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.