Home / 3,908,810.22-5,863,990.30-1,213,020.36

Finding the Fourth Proportional to 3,908,810.22, 5,863,990.30 and 1,213,020.36

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Solution

The fourth proportional to 3,908,810.22, 5,863,990.30 and 1,213,020.36 is: 1,819,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,810.22 : 5,863,990.30 = 1,213,020.36 : x
  2. Step 2: Convert to fraction form
    3,908,810.22/5,863,990.30 = 1,213,020.36/x
  3. Step 3: Cross multiply
    3,908,810.22x = 5,863,990.30 × 1,213,020.36
  4. Step 4: Simplify right side
    3,908,810.22x = 7,113,139,624,742.51
  5. Step 5: Solve for x
    x = 7,113,139,624,742.51/3,908,810.22
  6. Step 6: Final answer
    x = 1,819,771.04

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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.