Home / 7,111,959.84-10,667,967.42-1,720,601.58

Finding the Fourth Proportional to 7,111,959.84, 10,667,967.42 and 1,720,601.58

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Solution

The fourth proportional to 7,111,959.84, 10,667,967.42 and 1,720,601.58 is: 2,580,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,959.84 : 10,667,967.42 = 1,720,601.58 : x
  2. Step 2: Convert to fraction form
    7,111,959.84/10,667,967.42 = 1,720,601.58/x
  3. Step 3: Cross multiply
    7,111,959.84x = 10,667,967.42 × 1,720,601.58
  4. Step 4: Simplify right side
    7,111,959.84x = 18,355,321,598,240.52
  5. Step 5: Solve for x
    x = 18,355,321,598,240.52/7,111,959.84
  6. Step 6: Final answer
    x = 2,580,909.06

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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.