Home / 5,412,343.56-8,118,994.80-1,423,255.56

Finding the Fourth Proportional to 5,412,343.56, 8,118,994.80 and 1,423,255.56

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Solution

The fourth proportional to 5,412,343.56, 8,118,994.80 and 1,423,255.56 is: 2,135,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,343.56 : 8,118,994.80 = 1,423,255.56 : x
  2. Step 2: Convert to fraction form
    5,412,343.56/8,118,994.80 = 1,423,255.56/x
  3. Step 3: Cross multiply
    5,412,343.56x = 8,118,994.80 × 1,423,255.56
  4. Step 4: Simplify right side
    5,412,343.56x = 11,555,404,490,711.09
  5. Step 5: Solve for x
    x = 11,555,404,490,711.09/5,412,343.56
  6. Step 6: Final answer
    x = 2,135,009.42

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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.