Home / 3,118,202.20-4,673,804.10-1,320,779.80

Finding the Fourth Proportional to 3,118,202.20, 4,673,804.10 and 1,320,779.80

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Solution

The fourth proportional to 3,118,202.20, 4,673,804.10 and 1,320,779.80 is: 1,979,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,202.20 : 4,673,804.10 = 1,320,779.80 : x
  2. Step 2: Convert to fraction form
    3,118,202.20/4,673,804.10 = 1,320,779.80/x
  3. Step 3: Cross multiply
    3,118,202.20x = 4,673,804.10 × 1,320,779.80
  4. Step 4: Simplify right side
    3,118,202.20x = 6,173,066,044,437.18
  5. Step 5: Solve for x
    x = 6,173,066,044,437.18/3,118,202.20
  6. Step 6: Final answer
    x = 1,979,687.54

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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.