Home / 3,036,147.76-4,554,969-2,139,340.72

Finding the Fourth Proportional to 3,036,147.76, 4,554,969 and 2,139,340.72

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Solution

The fourth proportional to 3,036,147.76, 4,554,969 and 2,139,340.72 is: 3,209,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,147.76 : 4,554,969 = 2,139,340.72 : x
  2. Step 2: Convert to fraction form
    3,036,147.76/4,554,969 = 2,139,340.72/x
  3. Step 3: Cross multiply
    3,036,147.76x = 4,554,969 × 2,139,340.72
  4. Step 4: Simplify right side
    3,036,147.76x = 9,744,630,660,037.68
  5. Step 5: Solve for x
    x = 9,744,630,660,037.68/3,036,147.76
  6. Step 6: Final answer
    x = 3,209,537.69

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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.