Home / 2,907,621.80-4,361,432.70-2,011,826.60

Finding the Fourth Proportional to 2,907,621.80, 4,361,432.70 and 2,011,826.60

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Solution

The fourth proportional to 2,907,621.80, 4,361,432.70 and 2,011,826.60 is: 3,017,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,621.80 : 4,361,432.70 = 2,011,826.60 : x
  2. Step 2: Convert to fraction form
    2,907,621.80/4,361,432.70 = 2,011,826.60/x
  3. Step 3: Cross multiply
    2,907,621.80x = 4,361,432.70 × 2,011,826.60
  4. Step 4: Simplify right side
    2,907,621.80x = 8,774,446,319,969.82
  5. Step 5: Solve for x
    x = 8,774,446,319,969.82/2,907,621.80
  6. Step 6: Final answer
    x = 3,017,739.90

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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.