Home / 1,840,947.57-2,761,355.76-642,865.23

Finding the Fourth Proportional to 1,840,947.57, 2,761,355.76 and 642,865.23

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Solution

The fourth proportional to 1,840,947.57, 2,761,355.76 and 642,865.23 is: 964,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,947.57 : 2,761,355.76 = 642,865.23 : x
  2. Step 2: Convert to fraction form
    1,840,947.57/2,761,355.76 = 642,865.23/x
  3. Step 3: Cross multiply
    1,840,947.57x = 2,761,355.76 × 642,865.23
  4. Step 4: Simplify right side
    1,840,947.57x = 1,775,179,605,764.22
  5. Step 5: Solve for x
    x = 1,775,179,605,764.22/1,840,947.57
  6. Step 6: Final answer
    x = 964,274.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.