Home / 1,943,998.20-2,915,997.30-1,409,009.40

Finding the Fourth Proportional to 1,943,998.20, 2,915,997.30 and 1,409,009.40

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Solution

The fourth proportional to 1,943,998.20, 2,915,997.30 and 1,409,009.40 is: 2,113,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,998.20 : 2,915,997.30 = 1,409,009.40 : x
  2. Step 2: Convert to fraction form
    1,943,998.20/2,915,997.30 = 1,409,009.40/x
  3. Step 3: Cross multiply
    1,943,998.20x = 2,915,997.30 × 1,409,009.40
  4. Step 4: Simplify right side
    1,943,998.20x = 4,108,667,606,074.62
  5. Step 5: Solve for x
    x = 4,108,667,606,074.62/1,943,998.20
  6. Step 6: Final answer
    x = 2,113,514.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.