Home / 1,921,425.83-2,882,287.55-642,037.74

Finding the Fourth Proportional to 1,921,425.83, 2,882,287.55 and 642,037.74

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Solution

The fourth proportional to 1,921,425.83, 2,882,287.55 and 642,037.74 is: 963,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,425.83 : 2,882,287.55 = 642,037.74 : x
  2. Step 2: Convert to fraction form
    1,921,425.83/2,882,287.55 = 642,037.74/x
  3. Step 3: Cross multiply
    1,921,425.83x = 2,882,287.55 × 642,037.74
  4. Step 4: Simplify right side
    1,921,425.83x = 1,850,537,384,632.14
  5. Step 5: Solve for x
    x = 1,850,537,384,632.14/1,921,425.83
  6. Step 6: Final answer
    x = 963,106.33

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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.