Home / 1,898,983.69-2,848,725.67-619,141.72

Finding the Fourth Proportional to 1,898,983.69, 2,848,725.67 and 619,141.72

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Solution

The fourth proportional to 1,898,983.69, 2,848,725.67 and 619,141.72 is: 928,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,983.69 : 2,848,725.67 = 619,141.72 : x
  2. Step 2: Convert to fraction form
    1,898,983.69/2,848,725.67 = 619,141.72/x
  3. Step 3: Cross multiply
    1,898,983.69x = 2,848,725.67 × 619,141.72
  4. Step 4: Simplify right side
    1,898,983.69x = 1,763,764,911,131.95
  5. Step 5: Solve for x
    x = 1,763,764,911,131.95/1,898,983.69
  6. Step 6: Final answer
    x = 928,794.13

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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.