Home / 3,615,873-4,990,048.40-1,984,339.12

Finding the Fourth Proportional to 3,615,873, 4,990,048.40 and 1,984,339.12

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Solution

The fourth proportional to 3,615,873, 4,990,048.40 and 1,984,339.12 is: 2,738,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,873 : 4,990,048.40 = 1,984,339.12 : x
  2. Step 2: Convert to fraction form
    3,615,873/4,990,048.40 = 1,984,339.12/x
  3. Step 3: Cross multiply
    3,615,873x = 4,990,048.40 × 1,984,339.12
  4. Step 4: Simplify right side
    3,615,873x = 9,901,948,250,813.41
  5. Step 5: Solve for x
    x = 9,901,948,250,813.41/3,615,873
  6. Step 6: Final answer
    x = 2,738,466.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.