Home / 1,898,156.70-2,619,456.01-1,038,716.73

Finding the Fourth Proportional to 1,898,156.70, 2,619,456.01 and 1,038,716.73

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Solution

The fourth proportional to 1,898,156.70, 2,619,456.01 and 1,038,716.73 is: 1,433,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,156.70 : 2,619,456.01 = 1,038,716.73 : x
  2. Step 2: Convert to fraction form
    1,898,156.70/2,619,456.01 = 1,038,716.73/x
  3. Step 3: Cross multiply
    1,898,156.70x = 2,619,456.01 × 1,038,716.73
  4. Step 4: Simplify right side
    1,898,156.70x = 2,720,872,778,489.26
  5. Step 5: Solve for x
    x = 2,720,872,778,489.26/1,898,156.70
  6. Step 6: Final answer
    x = 1,433,428.96

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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.