Home / 2,790,802.19-4,180,099.97-1,978,725.07

Finding the Fourth Proportional to 2,790,802.19, 4,180,099.97 and 1,978,725.07

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Solution

The fourth proportional to 2,790,802.19, 4,180,099.97 and 1,978,725.07 is: 2,963,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,802.19 : 4,180,099.97 = 1,978,725.07 : x
  2. Step 2: Convert to fraction form
    2,790,802.19/4,180,099.97 = 1,978,725.07/x
  3. Step 3: Cross multiply
    2,790,802.19x = 4,180,099.97 × 1,978,725.07
  4. Step 4: Simplify right side
    2,790,802.19x = 8,271,268,615,917.19
  5. Step 5: Solve for x
    x = 8,271,268,615,917.19/2,790,802.19
  6. Step 6: Final answer
    x = 2,963,760.25

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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.