Home / 2,879,927.51-3,974,224.03-1,590,740.21

Finding the Fourth Proportional to 2,879,927.51, 3,974,224.03 and 1,590,740.21

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Solution

The fourth proportional to 2,879,927.51, 3,974,224.03 and 1,590,740.21 is: 2,195,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,927.51 : 3,974,224.03 = 1,590,740.21 : x
  2. Step 2: Convert to fraction form
    2,879,927.51/3,974,224.03 = 1,590,740.21/x
  3. Step 3: Cross multiply
    2,879,927.51x = 3,974,224.03 × 1,590,740.21
  4. Step 4: Simplify right side
    2,879,927.51x = 6,321,957,974,027.96
  5. Step 5: Solve for x
    x = 6,321,957,974,027.96/2,879,927.51
  6. Step 6: Final answer
    x = 2,195,179.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.