Home / 2,720,429.42-4,081,142.26-1,122,120.58

Finding the Fourth Proportional to 2,720,429.42, 4,081,142.26 and 1,122,120.58

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Solution

The fourth proportional to 2,720,429.42, 4,081,142.26 and 1,122,120.58 is: 1,683,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,429.42 : 4,081,142.26 = 1,122,120.58 : x
  2. Step 2: Convert to fraction form
    2,720,429.42/4,081,142.26 = 1,122,120.58/x
  3. Step 3: Cross multiply
    2,720,429.42x = 4,081,142.26 × 1,122,120.58
  4. Step 4: Simplify right side
    2,720,429.42x = 4,579,533,719,853.71
  5. Step 5: Solve for x
    x = 4,579,533,719,853.71/2,720,429.42
  6. Step 6: Final answer
    x = 1,683,386.34

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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.