Home / 2,217,811.10-3,320,495.85-2,155,603.10

Finding the Fourth Proportional to 2,217,811.10, 3,320,495.85 and 2,155,603.10

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Solution

The fourth proportional to 2,217,811.10, 3,320,495.85 and 2,155,603.10 is: 3,227,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,811.10 : 3,320,495.85 = 2,155,603.10 : x
  2. Step 2: Convert to fraction form
    2,217,811.10/3,320,495.85 = 2,155,603.10/x
  3. Step 3: Cross multiply
    2,217,811.10x = 3,320,495.85 × 2,155,603.10
  4. Step 4: Simplify right side
    2,217,811.10x = 7,157,671,147,797.14
  5. Step 5: Solve for x
    x = 7,157,671,147,797.14/2,217,811.10
  6. Step 6: Final answer
    x = 3,227,358.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.