Home / 3,190,409.64-4,402,657.86-1,900,581.96

Finding the Fourth Proportional to 3,190,409.64, 4,402,657.86 and 1,900,581.96

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Solution

The fourth proportional to 3,190,409.64, 4,402,657.86 and 1,900,581.96 is: 2,622,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,409.64 : 4,402,657.86 = 1,900,581.96 : x
  2. Step 2: Convert to fraction form
    3,190,409.64/4,402,657.86 = 1,900,581.96/x
  3. Step 3: Cross multiply
    3,190,409.64x = 4,402,657.86 × 1,900,581.96
  4. Step 4: Simplify right side
    3,190,409.64x = 8,367,612,104,768.21
  5. Step 5: Solve for x
    x = 8,367,612,104,768.21/3,190,409.64
  6. Step 6: Final answer
    x = 2,622,739.10

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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.