Home / 1,956,847.40-2,935,970.30-1,189,905.49

Finding the Fourth Proportional to 1,956,847.40, 2,935,970.30 and 1,189,905.49

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Solution

The fourth proportional to 1,956,847.40, 2,935,970.30 and 1,189,905.49 is: 1,785,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,847.40 : 2,935,970.30 = 1,189,905.49 : x
  2. Step 2: Convert to fraction form
    1,956,847.40/2,935,970.30 = 1,189,905.49/x
  3. Step 3: Cross multiply
    1,956,847.40x = 2,935,970.30 × 1,189,905.49
  4. Step 4: Simplify right side
    1,956,847.40x = 3,493,527,165,157.49
  5. Step 5: Solve for x
    x = 3,493,527,165,157.49/1,956,847.40
  6. Step 6: Final answer
    x = 1,785,283.39

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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.