Home / 3,155,404.80-4,733,107.20-1,961,011.20

Finding the Fourth Proportional to 3,155,404.80, 4,733,107.20 and 1,961,011.20

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Solution

The fourth proportional to 3,155,404.80, 4,733,107.20 and 1,961,011.20 is: 2,941,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,404.80 : 4,733,107.20 = 1,961,011.20 : x
  2. Step 2: Convert to fraction form
    3,155,404.80/4,733,107.20 = 1,961,011.20/x
  3. Step 3: Cross multiply
    3,155,404.80x = 4,733,107.20 × 1,961,011.20
  4. Step 4: Simplify right side
    3,155,404.80x = 9,281,676,230,000.64
  5. Step 5: Solve for x
    x = 9,281,676,230,000.64/3,155,404.80
  6. Step 6: Final answer
    x = 2,941,516.80

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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.