Home / 2,620,009.20-3,927,637.80-936,721.20

Finding the Fourth Proportional to 2,620,009.20, 3,927,637.80 and 936,721.20

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Solution

The fourth proportional to 2,620,009.20, 3,927,637.80 and 936,721.20 is: 1,404,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,009.20 : 3,927,637.80 = 936,721.20 : x
  2. Step 2: Convert to fraction form
    2,620,009.20/3,927,637.80 = 936,721.20/x
  3. Step 3: Cross multiply
    2,620,009.20x = 3,927,637.80 × 936,721.20
  4. Step 4: Simplify right side
    2,620,009.20x = 3,679,101,593,181.36
  5. Step 5: Solve for x
    x = 3,679,101,593,181.36/2,620,009.20
  6. Step 6: Final answer
    x = 1,404,232.32

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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.