Home / 2,089,037.32-3,133,555.98-1,378,899.28

Finding the Fourth Proportional to 2,089,037.32, 3,133,555.98 and 1,378,899.28

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Solution

The fourth proportional to 2,089,037.32, 3,133,555.98 and 1,378,899.28 is: 2,068,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,037.32 : 3,133,555.98 = 1,378,899.28 : x
  2. Step 2: Convert to fraction form
    2,089,037.32/3,133,555.98 = 1,378,899.28/x
  3. Step 3: Cross multiply
    2,089,037.32x = 3,133,555.98 × 1,378,899.28
  4. Step 4: Simplify right side
    2,089,037.32x = 4,320,858,083,407.77
  5. Step 5: Solve for x
    x = 4,320,858,083,407.77/2,089,037.32
  6. Step 6: Final answer
    x = 2,068,348.92

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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.