Home / 4,222,879.80-5,827,581.90-2,289,134.40

Finding the Fourth Proportional to 4,222,879.80, 5,827,581.90 and 2,289,134.40

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Solution

The fourth proportional to 4,222,879.80, 5,827,581.90 and 2,289,134.40 is: 3,159,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222,879.80 : 5,827,581.90 = 2,289,134.40 : x
  2. Step 2: Convert to fraction form
    4,222,879.80/5,827,581.90 = 2,289,134.40/x
  3. Step 3: Cross multiply
    4,222,879.80x = 5,827,581.90 × 2,289,134.40
  4. Step 4: Simplify right side
    4,222,879.80x = 13,340,118,196,107.36
  5. Step 5: Solve for x
    x = 13,340,118,196,107.36/4,222,879.80
  6. Step 6: Final answer
    x = 3,159,009.69

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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.