Home / 3,485,345.36-4,809,211.68-2,178,442.88

Finding the Fourth Proportional to 3,485,345.36, 4,809,211.68 and 2,178,442.88

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Solution

The fourth proportional to 3,485,345.36, 4,809,211.68 and 2,178,442.88 is: 3,005,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,345.36 : 4,809,211.68 = 2,178,442.88 : x
  2. Step 2: Convert to fraction form
    3,485,345.36/4,809,211.68 = 2,178,442.88/x
  3. Step 3: Cross multiply
    3,485,345.36x = 4,809,211.68 × 2,178,442.88
  4. Step 4: Simplify right side
    3,485,345.36x = 10,476,592,942,708.84
  5. Step 5: Solve for x
    x = 10,476,592,942,708.84/3,485,345.36
  6. Step 6: Final answer
    x = 3,005,898.08

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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.