Home / 1,890,102.06-2,835,163.35-470,158.16

Finding the Fourth Proportional to 1,890,102.06, 2,835,163.35 and 470,158.16

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Solution

The fourth proportional to 1,890,102.06, 2,835,163.35 and 470,158.16 is: 705,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,102.06 : 2,835,163.35 = 470,158.16 : x
  2. Step 2: Convert to fraction form
    1,890,102.06/2,835,163.35 = 470,158.16/x
  3. Step 3: Cross multiply
    1,890,102.06x = 2,835,163.35 × 470,158.16
  4. Step 4: Simplify right side
    1,890,102.06x = 1,332,975,169,759.62
  5. Step 5: Solve for x
    x = 1,332,975,169,759.62/1,890,102.06
  6. Step 6: Final answer
    x = 705,239.78

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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.