Home / 2,979,267-4,111,353.90-1,621,116.60

Finding the Fourth Proportional to 2,979,267, 4,111,353.90 and 1,621,116.60

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Solution

The fourth proportional to 2,979,267, 4,111,353.90 and 1,621,116.60 is: 2,237,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,267 : 4,111,353.90 = 1,621,116.60 : x
  2. Step 2: Convert to fraction form
    2,979,267/4,111,353.90 = 1,621,116.60/x
  3. Step 3: Cross multiply
    2,979,267x = 4,111,353.90 × 1,621,116.60
  4. Step 4: Simplify right side
    2,979,267x = 6,664,984,055,764.74
  5. Step 5: Solve for x
    x = 6,664,984,055,764.74/2,979,267
  6. Step 6: Final answer
    x = 2,237,122.10

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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.