Home / 3,899,420.48-5,847,698.03-1,339,909.58

Finding the Fourth Proportional to 3,899,420.48, 5,847,698.03 and 1,339,909.58

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Solution

The fourth proportional to 3,899,420.48, 5,847,698.03 and 1,339,909.58 is: 2,009,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,420.48 : 5,847,698.03 = 1,339,909.58 : x
  2. Step 2: Convert to fraction form
    3,899,420.48/5,847,698.03 = 1,339,909.58/x
  3. Step 3: Cross multiply
    3,899,420.48x = 5,847,698.03 × 1,339,909.58
  4. Step 4: Simplify right side
    3,899,420.48x = 7,835,386,575,406.09
  5. Step 5: Solve for x
    x = 7,835,386,575,406.09/3,899,420.48
  6. Step 6: Final answer
    x = 2,009,372.07

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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.