Home / 4,989,976.93-6,886,173.05-2,698,137.01

Finding the Fourth Proportional to 4,989,976.93, 6,886,173.05 and 2,698,137.01

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Solution

The fourth proportional to 4,989,976.93, 6,886,173.05 and 2,698,137.01 is: 3,723,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,976.93 : 6,886,173.05 = 2,698,137.01 : x
  2. Step 2: Convert to fraction form
    4,989,976.93/6,886,173.05 = 2,698,137.01/x
  3. Step 3: Cross multiply
    4,989,976.93x = 6,886,173.05 × 2,698,137.01
  4. Step 4: Simplify right side
    4,989,976.93x = 18,579,838,363,469.58
  5. Step 5: Solve for x
    x = 18,579,838,363,469.58/4,989,976.93
  6. Step 6: Final answer
    x = 3,723,431.72

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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.