Home / 1,898,665.19-2,620,153.56-1,039,217.93

Finding the Fourth Proportional to 1,898,665.19, 2,620,153.56 and 1,039,217.93

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Solution

The fourth proportional to 1,898,665.19, 2,620,153.56 and 1,039,217.93 is: 1,434,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,665.19 : 2,620,153.56 = 1,039,217.93 : x
  2. Step 2: Convert to fraction form
    1,898,665.19/2,620,153.56 = 1,039,217.93/x
  3. Step 3: Cross multiply
    1,898,665.19x = 2,620,153.56 × 1,039,217.93
  4. Step 4: Simplify right side
    1,898,665.19x = 2,722,910,558,905.33
  5. Step 5: Solve for x
    x = 2,722,910,558,905.33/1,898,665.19
  6. Step 6: Final answer
    x = 1,434,118.33

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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.