Home / 2,107,197.87-2,907,940.40-1,140,327.91

Finding the Fourth Proportional to 2,107,197.87, 2,907,940.40 and 1,140,327.91

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Solution

The fourth proportional to 2,107,197.87, 2,907,940.40 and 1,140,327.91 is: 1,573,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,197.87 : 2,907,940.40 = 1,140,327.91 : x
  2. Step 2: Convert to fraction form
    2,107,197.87/2,907,940.40 = 1,140,327.91/x
  3. Step 3: Cross multiply
    2,107,197.87x = 2,907,940.40 × 1,140,327.91
  4. Step 4: Simplify right side
    2,107,197.87x = 3,316,005,598,736.56
  5. Step 5: Solve for x
    x = 3,316,005,598,736.56/2,107,197.87
  6. Step 6: Final answer
    x = 1,573,656.49

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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.