Home / 2,809,200.48-3,876,667.52-1,520,012.40

Finding the Fourth Proportional to 2,809,200.48, 3,876,667.52 and 1,520,012.40

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Solution

The fourth proportional to 2,809,200.48, 3,876,667.52 and 1,520,012.40 is: 2,097,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,200.48 : 3,876,667.52 = 1,520,012.40 : x
  2. Step 2: Convert to fraction form
    2,809,200.48/3,876,667.52 = 1,520,012.40/x
  3. Step 3: Cross multiply
    2,809,200.48x = 3,876,667.52 × 1,520,012.40
  4. Step 4: Simplify right side
    2,809,200.48x = 5,892,582,701,077.25
  5. Step 5: Solve for x
    x = 5,892,582,701,077.25/2,809,200.48
  6. Step 6: Final answer
    x = 2,097,601.34

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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.