Home / 2,631,003.40-3,945,338.70-1,210,328.20

Finding the Fourth Proportional to 2,631,003.40, 3,945,338.70 and 1,210,328.20

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Solution

The fourth proportional to 2,631,003.40, 3,945,338.70 and 1,210,328.20 is: 1,814,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,003.40 : 3,945,338.70 = 1,210,328.20 : x
  2. Step 2: Convert to fraction form
    2,631,003.40/3,945,338.70 = 1,210,328.20/x
  3. Step 3: Cross multiply
    2,631,003.40x = 3,945,338.70 × 1,210,328.20
  4. Step 4: Simplify right side
    2,631,003.40x = 4,775,154,687,161.34
  5. Step 5: Solve for x
    x = 4,775,154,687,161.34/2,631,003.40
  6. Step 6: Final answer
    x = 1,814,955.73

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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.