Home / 5,281,873.38-7,289,015.58-3,106,508.22

Finding the Fourth Proportional to 5,281,873.38, 7,289,015.58 and 3,106,508.22

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Solution

The fourth proportional to 5,281,873.38, 7,289,015.58 and 3,106,508.22 is: 4,286,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,873.38 : 7,289,015.58 = 3,106,508.22 : x
  2. Step 2: Convert to fraction form
    5,281,873.38/7,289,015.58 = 3,106,508.22/x
  3. Step 3: Cross multiply
    5,281,873.38x = 7,289,015.58 × 3,106,508.22
  4. Step 4: Simplify right side
    5,281,873.38x = 22,643,386,814,978.07
  5. Step 5: Solve for x
    x = 22,643,386,814,978.07/5,281,873.38
  6. Step 6: Final answer
    x = 4,286,999.17

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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.