Home / 4,251,542.20-6,378,412.78-1,219,130.01

Finding the Fourth Proportional to 4,251,542.20, 6,378,412.78 and 1,219,130.01

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Solution

The fourth proportional to 4,251,542.20, 6,378,412.78 and 1,219,130.01 is: 1,829,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251,542.20 : 6,378,412.78 = 1,219,130.01 : x
  2. Step 2: Convert to fraction form
    4,251,542.20/6,378,412.78 = 1,219,130.01/x
  3. Step 3: Cross multiply
    4,251,542.20x = 6,378,412.78 × 1,219,130.01
  4. Step 4: Simplify right side
    4,251,542.20x = 7,776,114,430,169.88
  5. Step 5: Solve for x
    x = 7,776,114,430,169.88/4,251,542.20
  6. Step 6: Final answer
    x = 1,829,010.29

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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.