Home / 5,042,509.76-6,958,457.88-2,978,193.44

Finding the Fourth Proportional to 5,042,509.76, 6,958,457.88 and 2,978,193.44

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Solution

The fourth proportional to 5,042,509.76, 6,958,457.88 and 2,978,193.44 is: 4,109,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042,509.76 : 6,958,457.88 = 2,978,193.44 : x
  2. Step 2: Convert to fraction form
    5,042,509.76/6,958,457.88 = 2,978,193.44/x
  3. Step 3: Cross multiply
    5,042,509.76x = 6,958,457.88 × 2,978,193.44
  4. Step 4: Simplify right side
    5,042,509.76x = 20,723,633,610,732.30
  5. Step 5: Solve for x
    x = 20,723,633,610,732.30/5,042,509.76
  6. Step 6: Final answer
    x = 4,109,785.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.