Home / 2,107,157.20-2,907,876.93-1,140,287.49

Finding the Fourth Proportional to 2,107,157.20, 2,907,876.93 and 1,140,287.49

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Solution

The fourth proportional to 2,107,157.20, 2,907,876.93 and 1,140,287.49 is: 1,573,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,157.20 : 2,907,876.93 = 1,140,287.49 : x
  2. Step 2: Convert to fraction form
    2,107,157.20/2,907,876.93 = 1,140,287.49/x
  3. Step 3: Cross multiply
    2,107,157.20x = 2,907,876.93 × 1,140,287.49
  4. Step 4: Simplify right side
    2,107,157.20x = 3,315,815,685,738.61
  5. Step 5: Solve for x
    x = 3,315,815,685,738.61/2,107,157.20
  6. Step 6: Final answer
    x = 1,573,596.73

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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.