Home / 3,616,810.76-5,421,898.38-1,621,178.12

Finding the Fourth Proportional to 3,616,810.76, 5,421,898.38 and 1,621,178.12

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Solution

The fourth proportional to 3,616,810.76, 5,421,898.38 and 1,621,178.12 is: 2,430,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,810.76 : 5,421,898.38 = 1,621,178.12 : x
  2. Step 2: Convert to fraction form
    3,616,810.76/5,421,898.38 = 1,621,178.12/x
  3. Step 3: Cross multiply
    3,616,810.76x = 5,421,898.38 × 1,621,178.12
  4. Step 4: Simplify right side
    3,616,810.76x = 8,789,863,022,519.45
  5. Step 5: Solve for x
    x = 8,789,863,022,519.45/3,616,810.76
  6. Step 6: Final answer
    x = 2,430,280.05

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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.