Home / 5,071,686-7,607,971.80-1,285,169.01

Finding the Fourth Proportional to 5,071,686, 7,607,971.80 and 1,285,169.01

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Solution

The fourth proportional to 5,071,686, 7,607,971.80 and 1,285,169.01 is: 1,927,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,686 : 7,607,971.80 = 1,285,169.01 : x
  2. Step 2: Convert to fraction form
    5,071,686/7,607,971.80 = 1,285,169.01/x
  3. Step 3: Cross multiply
    5,071,686x = 7,607,971.80 × 1,285,169.01
  4. Step 4: Simplify right side
    5,071,686x = 9,777,529,586,313.92
  5. Step 5: Solve for x
    x = 9,777,529,586,313.92/5,071,686
  6. Step 6: Final answer
    x = 1,927,865.72

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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.