Home / 5,455,384.83-8,182,780.62-1,668,867.71

Finding the Fourth Proportional to 5,455,384.83, 8,182,780.62 and 1,668,867.71

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Solution

The fourth proportional to 5,455,384.83, 8,182,780.62 and 1,668,867.71 is: 2,503,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,384.83 : 8,182,780.62 = 1,668,867.71 : x
  2. Step 2: Convert to fraction form
    5,455,384.83/8,182,780.62 = 1,668,867.71/x
  3. Step 3: Cross multiply
    5,455,384.83x = 8,182,780.62 × 1,668,867.71
  4. Step 4: Simplify right side
    5,455,384.83x = 13,655,978,313,817.88
  5. Step 5: Solve for x
    x = 13,655,978,313,817.88/5,455,384.83
  6. Step 6: Final answer
    x = 2,503,210.82

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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.