Home / 3,362,137.56-4,639,650.26-1,911,991.32

Finding the Fourth Proportional to 3,362,137.56, 4,639,650.26 and 1,911,991.32

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Solution

The fourth proportional to 3,362,137.56, 4,639,650.26 and 1,911,991.32 is: 2,638,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,137.56 : 4,639,650.26 = 1,911,991.32 : x
  2. Step 2: Convert to fraction form
    3,362,137.56/4,639,650.26 = 1,911,991.32/x
  3. Step 3: Cross multiply
    3,362,137.56x = 4,639,650.26 × 1,911,991.32
  4. Step 4: Simplify right side
    3,362,137.56x = 8,870,971,024,955.74
  5. Step 5: Solve for x
    x = 8,870,971,024,955.74/3,362,137.56
  6. Step 6: Final answer
    x = 2,638,491.40

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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.