Home / 3,638,005.20-5,456,077.00-1,078,621.67

Finding the Fourth Proportional to 3,638,005.20, 5,456,077.00 and 1,078,621.67

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Solution

The fourth proportional to 3,638,005.20, 5,456,077.00 and 1,078,621.67 is: 1,617,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,005.20 : 5,456,077.00 = 1,078,621.67 : x
  2. Step 2: Convert to fraction form
    3,638,005.20/5,456,077.00 = 1,078,621.67/x
  3. Step 3: Cross multiply
    3,638,005.20x = 5,456,077.00 × 1,078,621.67
  4. Step 4: Simplify right side
    3,638,005.20x = 5,885,042,896,332.23
  5. Step 5: Solve for x
    x = 5,885,042,896,332.23/3,638,005.20
  6. Step 6: Final answer
    x = 1,617,656.54

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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.