Home / 3,119,080.86-4,678,786.56-875,393.82

Finding the Fourth Proportional to 3,119,080.86, 4,678,786.56 and 875,393.82

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Solution

The fourth proportional to 3,119,080.86, 4,678,786.56 and 875,393.82 is: 1,313,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,080.86 : 4,678,786.56 = 875,393.82 : x
  2. Step 2: Convert to fraction form
    3,119,080.86/4,678,786.56 = 875,393.82/x
  3. Step 3: Cross multiply
    3,119,080.86x = 4,678,786.56 × 875,393.82
  4. Step 4: Simplify right side
    3,119,080.86x = 4,095,780,839,723.06
  5. Step 5: Solve for x
    x = 4,095,780,839,723.06/3,119,080.86
  6. Step 6: Final answer
    x = 1,313,137.11

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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.