Home / 5,281,879.38-7,289,023.86-3,106,514.22

Finding the Fourth Proportional to 5,281,879.38, 7,289,023.86 and 3,106,514.22

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Solution

The fourth proportional to 5,281,879.38, 7,289,023.86 and 3,106,514.22 is: 4,287,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,879.38 : 7,289,023.86 = 3,106,514.22 : x
  2. Step 2: Convert to fraction form
    5,281,879.38/7,289,023.86 = 3,106,514.22/x
  3. Step 3: Cross multiply
    5,281,879.38x = 7,289,023.86 × 3,106,514.22
  4. Step 4: Simplify right side
    5,281,879.38x = 22,643,456,271,009.29
  5. Step 5: Solve for x
    x = 22,643,456,271,009.29/5,281,879.38
  6. Step 6: Final answer
    x = 4,287,007.45

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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.