Home / 2,130,043.20-3,193,898.40-866,443.20

Finding the Fourth Proportional to 2,130,043.20, 3,193,898.40 and 866,443.20

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Solution

The fourth proportional to 2,130,043.20, 3,193,898.40 and 866,443.20 is: 1,299,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,043.20 : 3,193,898.40 = 866,443.20 : x
  2. Step 2: Convert to fraction form
    2,130,043.20/3,193,898.40 = 866,443.20/x
  3. Step 3: Cross multiply
    2,130,043.20x = 3,193,898.40 × 866,443.20
  4. Step 4: Simplify right side
    2,130,043.20x = 2,767,331,550,170.88
  5. Step 5: Solve for x
    x = 2,767,331,550,170.88/2,130,043.20
  6. Step 6: Final answer
    x = 1,299,190.34

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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.