Home / 2,089,453.08-2,883,858.81-1,355,317.16

Finding the Fourth Proportional to 2,089,453.08, 2,883,858.81 and 1,355,317.16

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Solution

The fourth proportional to 2,089,453.08, 2,883,858.81 and 1,355,317.16 is: 1,870,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,453.08 : 2,883,858.81 = 1,355,317.16 : x
  2. Step 2: Convert to fraction form
    2,089,453.08/2,883,858.81 = 1,355,317.16/x
  3. Step 3: Cross multiply
    2,089,453.08x = 2,883,858.81 × 1,355,317.16
  4. Step 4: Simplify right side
    2,089,453.08x = 3,908,543,317,790.89
  5. Step 5: Solve for x
    x = 3,908,543,317,790.89/2,089,453.08
  6. Step 6: Final answer
    x = 1,870,605.93

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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.