Home / 1,898,285.07-2,620,856.00-1,693,984.64

Finding the Fourth Proportional to 1,898,285.07, 2,620,856.00 and 1,693,984.64

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Solution

The fourth proportional to 1,898,285.07, 2,620,856.00 and 1,693,984.64 is: 2,338,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,285.07 : 2,620,856.00 = 1,693,984.64 : x
  2. Step 2: Convert to fraction form
    1,898,285.07/2,620,856.00 = 1,693,984.64/x
  3. Step 3: Cross multiply
    1,898,285.07x = 2,620,856.00 × 1,693,984.64
  4. Step 4: Simplify right side
    1,898,285.07x = 4,439,689,818,438.94
  5. Step 5: Solve for x
    x = 4,439,689,818,438.94/1,898,285.07
  6. Step 6: Final answer
    x = 2,338,789.83

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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.