Home / 1,621,293.03-2,420,067.24-1,429,765.29

Finding the Fourth Proportional to 1,621,293.03, 2,420,067.24 and 1,429,765.29

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Solution

The fourth proportional to 1,621,293.03, 2,420,067.24 and 1,429,765.29 is: 2,134,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,293.03 : 2,420,067.24 = 1,429,765.29 : x
  2. Step 2: Convert to fraction form
    1,621,293.03/2,420,067.24 = 1,429,765.29/x
  3. Step 3: Cross multiply
    1,621,293.03x = 2,420,067.24 × 1,429,765.29
  4. Step 4: Simplify right side
    1,621,293.03x = 3,460,128,139,218.10
  5. Step 5: Solve for x
    x = 3,460,128,139,218.10/1,621,293.03
  6. Step 6: Final answer
    x = 2,134,178.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.