Home / 4,139,784.20-6,209,676.30-3,132,014.60

Finding the Fourth Proportional to 4,139,784.20, 6,209,676.30 and 3,132,014.60

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Solution

The fourth proportional to 4,139,784.20, 6,209,676.30 and 3,132,014.60 is: 4,698,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,784.20 : 6,209,676.30 = 3,132,014.60 : x
  2. Step 2: Convert to fraction form
    4,139,784.20/6,209,676.30 = 3,132,014.60/x
  3. Step 3: Cross multiply
    4,139,784.20x = 6,209,676.30 × 3,132,014.60
  4. Step 4: Simplify right side
    4,139,784.20x = 19,448,796,832,873.98
  5. Step 5: Solve for x
    x = 19,448,796,832,873.98/4,139,784.20
  6. Step 6: Final answer
    x = 4,698,021.90

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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.