Home / 2,646,189.30-3,652,455.06-1,728,399

Finding the Fourth Proportional to 2,646,189.30, 3,652,455.06 and 1,728,399

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Solution

The fourth proportional to 2,646,189.30, 3,652,455.06 and 1,728,399 is: 2,385,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,189.30 : 3,652,455.06 = 1,728,399 : x
  2. Step 2: Convert to fraction form
    2,646,189.30/3,652,455.06 = 1,728,399/x
  3. Step 3: Cross multiply
    2,646,189.30x = 3,652,455.06 × 1,728,399
  4. Step 4: Simplify right side
    2,646,189.30x = 6,312,899,673,248.94
  5. Step 5: Solve for x
    x = 6,312,899,673,248.94/2,646,189.30
  6. Step 6: Final answer
    x = 2,385,656.87

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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.