Home / 2,173,030.20-2,998,814.40-1,206,222.30

Finding the Fourth Proportional to 2,173,030.20, 2,998,814.40 and 1,206,222.30

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Solution

The fourth proportional to 2,173,030.20, 2,998,814.40 and 1,206,222.30 is: 1,664,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,030.20 : 2,998,814.40 = 1,206,222.30 : x
  2. Step 2: Convert to fraction form
    2,173,030.20/2,998,814.40 = 1,206,222.30/x
  3. Step 3: Cross multiply
    2,173,030.20x = 2,998,814.40 × 1,206,222.30
  4. Step 4: Simplify right side
    2,173,030.20x = 3,617,236,802,841.12
  5. Step 5: Solve for x
    x = 3,617,236,802,841.12/2,173,030.20
  6. Step 6: Final answer
    x = 1,664,604.94

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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.