Home / 2,109,705.60-3,164,558.34-512,257.88

Finding the Fourth Proportional to 2,109,705.60, 3,164,558.34 and 512,257.88

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Solution

The fourth proportional to 2,109,705.60, 3,164,558.34 and 512,257.88 is: 768,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,705.60 : 3,164,558.34 = 512,257.88 : x
  2. Step 2: Convert to fraction form
    2,109,705.60/3,164,558.34 = 512,257.88/x
  3. Step 3: Cross multiply
    2,109,705.60x = 3,164,558.34 × 512,257.88
  4. Step 4: Simplify right side
    2,109,705.60x = 1,621,069,946,384.72
  5. Step 5: Solve for x
    x = 1,621,069,946,384.72/2,109,705.60
  6. Step 6: Final answer
    x = 768,386.81

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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.