Home / 2,621,466.32-3,932,339.63-824,489.91

Finding the Fourth Proportional to 2,621,466.32, 3,932,339.63 and 824,489.91

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Solution

The fourth proportional to 2,621,466.32, 3,932,339.63 and 824,489.91 is: 1,236,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,466.32 : 3,932,339.63 = 824,489.91 : x
  2. Step 2: Convert to fraction form
    2,621,466.32/3,932,339.63 = 824,489.91/x
  3. Step 3: Cross multiply
    2,621,466.32x = 3,932,339.63 × 824,489.91
  4. Step 4: Simplify right side
    2,621,466.32x = 3,242,174,343,505.68
  5. Step 5: Solve for x
    x = 3,242,174,343,505.68/2,621,466.32
  6. Step 6: Final answer
    x = 1,236,778.95

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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.