Home / 2,780,897.40-4,171,346.10-2,019,165.30

Finding the Fourth Proportional to 2,780,897.40, 4,171,346.10 and 2,019,165.30

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Solution

The fourth proportional to 2,780,897.40, 4,171,346.10 and 2,019,165.30 is: 3,028,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,897.40 : 4,171,346.10 = 2,019,165.30 : x
  2. Step 2: Convert to fraction form
    2,780,897.40/4,171,346.10 = 2,019,165.30/x
  3. Step 3: Cross multiply
    2,780,897.40x = 4,171,346.10 × 2,019,165.30
  4. Step 4: Simplify right side
    2,780,897.40x = 8,422,637,299,410.33
  5. Step 5: Solve for x
    x = 8,422,637,299,410.33/2,780,897.40
  6. Step 6: Final answer
    x = 3,028,747.95

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Double scale
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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.