Home / 2,685,351.40-4,028,027.10-2,153,910.40

Finding the Fourth Proportional to 2,685,351.40, 4,028,027.10 and 2,153,910.40

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Solution

The fourth proportional to 2,685,351.40, 4,028,027.10 and 2,153,910.40 is: 3,230,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,351.40 : 4,028,027.10 = 2,153,910.40 : x
  2. Step 2: Convert to fraction form
    2,685,351.40/4,028,027.10 = 2,153,910.40/x
  3. Step 3: Cross multiply
    2,685,351.40x = 4,028,027.10 × 2,153,910.40
  4. Step 4: Simplify right side
    2,685,351.40x = 8,676,009,462,171.84
  5. Step 5: Solve for x
    x = 8,676,009,462,171.84/2,685,351.40
  6. Step 6: Final answer
    x = 3,230,865.60

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Double scale
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Similar ratio
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1.5x scale

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.