Home / 3,005,102.74-4,509,133.92-1,407,389.86

Finding the Fourth Proportional to 3,005,102.74, 4,509,133.92 and 1,407,389.86

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Solution

The fourth proportional to 3,005,102.74, 4,509,133.92 and 1,407,389.86 is: 2,111,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,102.74 : 4,509,133.92 = 1,407,389.86 : x
  2. Step 2: Convert to fraction form
    3,005,102.74/4,509,133.92 = 1,407,389.86/x
  3. Step 3: Cross multiply
    3,005,102.74x = 4,509,133.92 × 1,407,389.86
  4. Step 4: Simplify right side
    3,005,102.74x = 6,346,109,356,390.05
  5. Step 5: Solve for x
    x = 6,346,109,356,390.05/3,005,102.74
  6. Step 6: Final answer
    x = 2,111,777.83

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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.