Home / 3,112,890.60-4,295,057.38-1,889,169

Finding the Fourth Proportional to 3,112,890.60, 4,295,057.38 and 1,889,169

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Solution

The fourth proportional to 3,112,890.60, 4,295,057.38 and 1,889,169 is: 2,606,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,890.60 : 4,295,057.38 = 1,889,169 : x
  2. Step 2: Convert to fraction form
    3,112,890.60/4,295,057.38 = 1,889,169/x
  3. Step 3: Cross multiply
    3,112,890.60x = 4,295,057.38 × 1,889,169
  4. Step 4: Simplify right side
    3,112,890.60x = 8,114,089,255,517.22
  5. Step 5: Solve for x
    x = 8,114,089,255,517.22/3,112,890.60
  6. Step 6: Final answer
    x = 2,606,609.19

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1.5x scale

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.