Home / 2,631,006.40-3,945,343.20-1,210,331.20

Finding the Fourth Proportional to 2,631,006.40, 3,945,343.20 and 1,210,331.20

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Solution

The fourth proportional to 2,631,006.40, 3,945,343.20 and 1,210,331.20 is: 1,814,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,006.40 : 3,945,343.20 = 1,210,331.20 : x
  2. Step 2: Convert to fraction form
    2,631,006.40/3,945,343.20 = 1,210,331.20/x
  3. Step 3: Cross multiply
    2,631,006.40x = 3,945,343.20 × 1,210,331.20
  4. Step 4: Simplify right side
    2,631,006.40x = 4,775,171,969,667.84
  5. Step 5: Solve for x
    x = 4,775,171,969,667.84/2,631,006.40
  6. Step 6: Final answer
    x = 1,814,960.23

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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.