Home / 1,539,089.19-2,123,947.37-841,378.46

Finding the Fourth Proportional to 1,539,089.19, 2,123,947.37 and 841,378.46

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Solution

The fourth proportional to 1,539,089.19, 2,123,947.37 and 841,378.46 is: 1,161,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,089.19 : 2,123,947.37 = 841,378.46 : x
  2. Step 2: Convert to fraction form
    1,539,089.19/2,123,947.37 = 841,378.46/x
  3. Step 3: Cross multiply
    1,539,089.19x = 2,123,947.37 × 841,378.46
  4. Step 4: Simplify right side
    1,539,089.19x = 1,787,043,558,775.36
  5. Step 5: Solve for x
    x = 1,787,043,558,775.36/1,539,089.19
  6. Step 6: Final answer
    x = 1,161,104.61

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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.