Home / 2,685,226.36-4,028,210.75-863,642.85

Finding the Fourth Proportional to 2,685,226.36, 4,028,210.75 and 863,642.85

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Solution

The fourth proportional to 2,685,226.36, 4,028,210.75 and 863,642.85 is: 1,295,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,226.36 : 4,028,210.75 = 863,642.85 : x
  2. Step 2: Convert to fraction form
    2,685,226.36/4,028,210.75 = 863,642.85/x
  3. Step 3: Cross multiply
    2,685,226.36x = 4,028,210.75 × 863,642.85
  4. Step 4: Simplify right side
    2,685,226.36x = 3,478,935,408,212.42
  5. Step 5: Solve for x
    x = 3,478,935,408,212.42/2,685,226.36
  6. Step 6: Final answer
    x = 1,295,583.66

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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.