Home / 3,769,085-5,201,339.76-2,136,970.64

Finding the Fourth Proportional to 3,769,085, 5,201,339.76 and 2,136,970.64

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Solution

The fourth proportional to 3,769,085, 5,201,339.76 and 2,136,970.64 is: 2,949,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,085 : 5,201,339.76 = 2,136,970.64 : x
  2. Step 2: Convert to fraction form
    3,769,085/5,201,339.76 = 2,136,970.64/x
  3. Step 3: Cross multiply
    3,769,085x = 5,201,339.76 × 2,136,970.64
  4. Step 4: Simplify right side
    3,769,085x = 11,115,110,355,784.65
  5. Step 5: Solve for x
    x = 11,115,110,355,784.65/3,769,085
  6. Step 6: Final answer
    x = 2,949,020.88

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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.