Home / 4,126,284.60-6,189,426.90-1,286,374.20

Finding the Fourth Proportional to 4,126,284.60, 6,189,426.90 and 1,286,374.20

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Solution

The fourth proportional to 4,126,284.60, 6,189,426.90 and 1,286,374.20 is: 1,929,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126,284.60 : 6,189,426.90 = 1,286,374.20 : x
  2. Step 2: Convert to fraction form
    4,126,284.60/6,189,426.90 = 1,286,374.20/x
  3. Step 3: Cross multiply
    4,126,284.60x = 6,189,426.90 × 1,286,374.20
  4. Step 4: Simplify right side
    4,126,284.60x = 7,961,919,076,945.98
  5. Step 5: Solve for x
    x = 7,961,919,076,945.98/4,126,284.60
  6. Step 6: Final answer
    x = 1,929,561.30

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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.