Home / 2,485,508.13-3,429,947.44-1,438,973.48

Finding the Fourth Proportional to 2,485,508.13, 3,429,947.44 and 1,438,973.48

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Solution

The fourth proportional to 2,485,508.13, 3,429,947.44 and 1,438,973.48 is: 1,985,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,508.13 : 3,429,947.44 = 1,438,973.48 : x
  2. Step 2: Convert to fraction form
    2,485,508.13/3,429,947.44 = 1,438,973.48/x
  3. Step 3: Cross multiply
    2,485,508.13x = 3,429,947.44 × 1,438,973.48
  4. Step 4: Simplify right side
    2,485,508.13x = 4,935,603,403,953.89
  5. Step 5: Solve for x
    x = 4,935,603,403,953.89/2,485,508.13
  6. Step 6: Final answer
    x = 1,985,752.27

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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.