Home / 2,137,293.86-2,949,363.74-1,170,429.38

Finding the Fourth Proportional to 2,137,293.86, 2,949,363.74 and 1,170,429.38

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Solution

The fourth proportional to 2,137,293.86, 2,949,363.74 and 1,170,429.38 is: 1,615,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,293.86 : 2,949,363.74 = 1,170,429.38 : x
  2. Step 2: Convert to fraction form
    2,137,293.86/2,949,363.74 = 1,170,429.38/x
  3. Step 3: Cross multiply
    2,137,293.86x = 2,949,363.74 × 1,170,429.38
  4. Step 4: Simplify right side
    2,137,293.86x = 3,452,021,973,602.68
  5. Step 5: Solve for x
    x = 3,452,021,973,602.68/2,137,293.86
  6. Step 6: Final answer
    x = 1,615,136.80

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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.