Home / 2,130,314.60-2,939,906.70-1,259,895.44

Finding the Fourth Proportional to 2,130,314.60, 2,939,906.70 and 1,259,895.44

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Solution

The fourth proportional to 2,130,314.60, 2,939,906.70 and 1,259,895.44 is: 1,738,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,314.60 : 2,939,906.70 = 1,259,895.44 : x
  2. Step 2: Convert to fraction form
    2,130,314.60/2,939,906.70 = 1,259,895.44/x
  3. Step 3: Cross multiply
    2,130,314.60x = 2,939,906.70 × 1,259,895.44
  4. Step 4: Simplify right side
    2,130,314.60x = 3,703,975,030,705.28
  5. Step 5: Solve for x
    x = 3,703,975,030,705.28/2,130,314.60
  6. Step 6: Final answer
    x = 1,738,698.61

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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.