Home / 3,019,814.40-4,529,721.60-2,788,867.20

Finding the Fourth Proportional to 3,019,814.40, 4,529,721.60 and 2,788,867.20

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Solution

The fourth proportional to 3,019,814.40, 4,529,721.60 and 2,788,867.20 is: 4,183,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,814.40 : 4,529,721.60 = 2,788,867.20 : x
  2. Step 2: Convert to fraction form
    3,019,814.40/4,529,721.60 = 2,788,867.20/x
  3. Step 3: Cross multiply
    3,019,814.40x = 4,529,721.60 × 2,788,867.20
  4. Step 4: Simplify right side
    3,019,814.40x = 12,632,791,995,371.52
  5. Step 5: Solve for x
    x = 12,632,791,995,371.52/3,019,814.40
  6. Step 6: Final answer
    x = 4,183,300.80

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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.