Home / 2,212,406.30-3,317,498-1,289,459.36

Finding the Fourth Proportional to 2,212,406.30, 3,317,498 and 1,289,459.36

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Solution

The fourth proportional to 2,212,406.30, 3,317,498 and 1,289,459.36 is: 1,933,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,406.30 : 3,317,498 = 1,289,459.36 : x
  2. Step 2: Convert to fraction form
    2,212,406.30/3,317,498 = 1,289,459.36/x
  3. Step 3: Cross multiply
    2,212,406.30x = 3,317,498 × 1,289,459.36
  4. Step 4: Simplify right side
    2,212,406.30x = 4,277,778,847,881.28
  5. Step 5: Solve for x
    x = 4,277,778,847,881.28/2,212,406.30
  6. Step 6: Final answer
    x = 1,933,541.25

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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.