Home / 5,456,699.45-8,185,889.95-1,861,628.35

Finding the Fourth Proportional to 5,456,699.45, 8,185,889.95 and 1,861,628.35

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Solution

The fourth proportional to 5,456,699.45, 8,185,889.95 and 1,861,628.35 is: 2,792,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,699.45 : 8,185,889.95 = 1,861,628.35 : x
  2. Step 2: Convert to fraction form
    5,456,699.45/8,185,889.95 = 1,861,628.35/x
  3. Step 3: Cross multiply
    5,456,699.45x = 8,185,889.95 × 1,861,628.35
  4. Step 4: Simplify right side
    5,456,699.45x = 15,239,084,800,900.08
  5. Step 5: Solve for x
    x = 15,239,084,800,900.08/5,456,699.45
  6. Step 6: Final answer
    x = 2,792,729.37

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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.