Home / 4,120,994.72-6,181,426.40-1,129,178.72

Finding the Fourth Proportional to 4,120,994.72, 6,181,426.40 and 1,129,178.72

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Solution

The fourth proportional to 4,120,994.72, 6,181,426.40 and 1,129,178.72 is: 1,693,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,994.72 : 6,181,426.40 = 1,129,178.72 : x
  2. Step 2: Convert to fraction form
    4,120,994.72/6,181,426.40 = 1,129,178.72/x
  3. Step 3: Cross multiply
    4,120,994.72x = 6,181,426.40 × 1,129,178.72
  4. Step 4: Simplify right side
    4,120,994.72x = 6,979,935,150,126.21
  5. Step 5: Solve for x
    x = 6,979,935,150,126.21/4,120,994.72
  6. Step 6: Final answer
    x = 1,693,750.08

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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.