Home / 2,180,289.23-3,008,799.14-1,213,647.88

Finding the Fourth Proportional to 2,180,289.23, 3,008,799.14 and 1,213,647.88

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Solution

The fourth proportional to 2,180,289.23, 3,008,799.14 and 1,213,647.88 is: 1,674,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,289.23 : 3,008,799.14 = 1,213,647.88 : x
  2. Step 2: Convert to fraction form
    2,180,289.23/3,008,799.14 = 1,213,647.88/x
  3. Step 3: Cross multiply
    2,180,289.23x = 3,008,799.14 × 1,213,647.88
  4. Step 4: Simplify right side
    2,180,289.23x = 3,651,622,695,666.96
  5. Step 5: Solve for x
    x = 3,651,622,695,666.96/2,180,289.23
  6. Step 6: Final answer
    x = 1,674,834.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.