Home / 3,112,455.08-4,295,958.09-2,120,663.37

Finding the Fourth Proportional to 3,112,455.08, 4,295,958.09 and 2,120,663.37

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Solution

The fourth proportional to 3,112,455.08, 4,295,958.09 and 2,120,663.37 is: 2,927,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,455.08 : 4,295,958.09 = 2,120,663.37 : x
  2. Step 2: Convert to fraction form
    3,112,455.08/4,295,958.09 = 2,120,663.37/x
  3. Step 3: Cross multiply
    3,112,455.08x = 4,295,958.09 × 2,120,663.37
  4. Step 4: Simplify right side
    3,112,455.08x = 9,110,280,960,518.16
  5. Step 5: Solve for x
    x = 9,110,280,960,518.16/3,112,455.08
  6. Step 6: Final answer
    x = 2,927,040.14

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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.