Home / 4,119,011.60-6,178,978.20-1,279,101.20

Finding the Fourth Proportional to 4,119,011.60, 6,178,978.20 and 1,279,101.20

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Solution

The fourth proportional to 4,119,011.60, 6,178,978.20 and 1,279,101.20 is: 1,918,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,011.60 : 6,178,978.20 = 1,279,101.20 : x
  2. Step 2: Convert to fraction form
    4,119,011.60/6,178,978.20 = 1,279,101.20/x
  3. Step 3: Cross multiply
    4,119,011.60x = 6,178,978.20 × 1,279,101.20
  4. Step 4: Simplify right side
    4,119,011.60x = 7,903,538,430,393.84
  5. Step 5: Solve for x
    x = 7,903,538,430,393.84/4,119,011.60
  6. Step 6: Final answer
    x = 1,918,794.89

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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.