Home / 1,898,156.40-2,619,456.03-1,038,716.82

Finding the Fourth Proportional to 1,898,156.40, 2,619,456.03 and 1,038,716.82

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Solution

The fourth proportional to 1,898,156.40, 2,619,456.03 and 1,038,716.82 is: 1,433,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,156.40 : 2,619,456.03 = 1,038,716.82 : x
  2. Step 2: Convert to fraction form
    1,898,156.40/2,619,456.03 = 1,038,716.82/x
  3. Step 3: Cross multiply
    1,898,156.40x = 2,619,456.03 × 1,038,716.82
  4. Step 4: Simplify right side
    1,898,156.40x = 2,720,873,037,611.42
  5. Step 5: Solve for x
    x = 2,720,873,037,611.42/1,898,156.40
  6. Step 6: Final answer
    x = 1,433,429.32

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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.