Home / 2,803,048.20-4,201,947.90-2,195,499.60

Finding the Fourth Proportional to 2,803,048.20, 4,201,947.90 and 2,195,499.60

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Solution

The fourth proportional to 2,803,048.20, 4,201,947.90 and 2,195,499.60 is: 3,291,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,048.20 : 4,201,947.90 = 2,195,499.60 : x
  2. Step 2: Convert to fraction form
    2,803,048.20/4,201,947.90 = 2,195,499.60/x
  3. Step 3: Cross multiply
    2,803,048.20x = 4,201,947.90 × 2,195,499.60
  4. Step 4: Simplify right side
    2,803,048.20x = 9,225,374,933,670.84
  5. Step 5: Solve for x
    x = 9,225,374,933,670.84/2,803,048.20
  6. Step 6: Final answer
    x = 3,291,193.83

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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.