Home / 1,978,192.10-2,967,255.96-630,336.50

Finding the Fourth Proportional to 1,978,192.10, 2,967,255.96 and 630,336.50

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Solution

The fourth proportional to 1,978,192.10, 2,967,255.96 and 630,336.50 is: 945,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,192.10 : 2,967,255.96 = 630,336.50 : x
  2. Step 2: Convert to fraction form
    1,978,192.10/2,967,255.96 = 630,336.50/x
  3. Step 3: Cross multiply
    1,978,192.10x = 2,967,255.96 × 630,336.50
  4. Step 4: Simplify right side
    1,978,192.10x = 1,870,369,736,430.54
  5. Step 5: Solve for x
    x = 1,870,369,736,430.54/1,978,192.10
  6. Step 6: Final answer
    x = 945,494.49

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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.