Home / 5,194,189.12-7,167,843.48-2,902,368.64

Finding the Fourth Proportional to 5,194,189.12, 7,167,843.48 and 2,902,368.64

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Solution

The fourth proportional to 5,194,189.12, 7,167,843.48 and 2,902,368.64 is: 4,005,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,189.12 : 7,167,843.48 = 2,902,368.64 : x
  2. Step 2: Convert to fraction form
    5,194,189.12/7,167,843.48 = 2,902,368.64/x
  3. Step 3: Cross multiply
    5,194,189.12x = 7,167,843.48 × 2,902,368.64
  4. Step 4: Simplify right side
    5,194,189.12x = 20,803,724,132,780.47
  5. Step 5: Solve for x
    x = 20,803,724,132,780.47/5,194,189.12
  6. Step 6: Final answer
    x = 4,005,191.89

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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.