Home / 6,139,507.60-9,209,268.68-1,879,654.42

Finding the Fourth Proportional to 6,139,507.60, 9,209,268.68 and 1,879,654.42

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Solution

The fourth proportional to 6,139,507.60, 9,209,268.68 and 1,879,654.42 is: 2,819,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139,507.60 : 9,209,268.68 = 1,879,654.42 : x
  2. Step 2: Convert to fraction form
    6,139,507.60/9,209,268.68 = 1,879,654.42/x
  3. Step 3: Cross multiply
    6,139,507.60x = 9,209,268.68 × 1,879,654.42
  4. Step 4: Simplify right side
    6,139,507.60x = 17,310,242,579,329.56
  5. Step 5: Solve for x
    x = 17,310,242,579,329.56/6,139,507.60
  6. Step 6: Final answer
    x = 2,819,483.86

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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.