Home / 2,124,255.23-2,931,435.20-1,157,392.55

Finding the Fourth Proportional to 2,124,255.23, 2,931,435.20 and 1,157,392.55

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Solution

The fourth proportional to 2,124,255.23, 2,931,435.20 and 1,157,392.55 is: 1,597,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,255.23 : 2,931,435.20 = 1,157,392.55 : x
  2. Step 2: Convert to fraction form
    2,124,255.23/2,931,435.20 = 1,157,392.55/x
  3. Step 3: Cross multiply
    2,124,255.23x = 2,931,435.20 × 1,157,392.55
  4. Step 4: Simplify right side
    2,124,255.23x = 3,392,821,240,843.62
  5. Step 5: Solve for x
    x = 3,392,821,240,843.62/2,124,255.23
  6. Step 6: Final answer
    x = 1,597,181.54

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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.