Home / 2,980,076.02-4,469,313.70-820,587.00

Finding the Fourth Proportional to 2,980,076.02, 4,469,313.70 and 820,587.00

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Solution

The fourth proportional to 2,980,076.02, 4,469,313.70 and 820,587.00 is: 1,230,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,076.02 : 4,469,313.70 = 820,587.00 : x
  2. Step 2: Convert to fraction form
    2,980,076.02/4,469,313.70 = 820,587.00/x
  3. Step 3: Cross multiply
    2,980,076.02x = 4,469,313.70 × 820,587.00
  4. Step 4: Simplify right side
    2,980,076.02x = 3,667,460,698,795.33
  5. Step 5: Solve for x
    x = 3,667,460,698,795.33/2,980,076.02
  6. Step 6: Final answer
    x = 1,230,660.12

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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.