Home / 2,147,495.52-3,221,243.96-631,178.70

Finding the Fourth Proportional to 2,147,495.52, 3,221,243.96 and 631,178.70

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Solution

The fourth proportional to 2,147,495.52, 3,221,243.96 and 631,178.70 is: 946,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,495.52 : 3,221,243.96 = 631,178.70 : x
  2. Step 2: Convert to fraction form
    2,147,495.52/3,221,243.96 = 631,178.70/x
  3. Step 3: Cross multiply
    2,147,495.52x = 3,221,243.96 × 631,178.70
  4. Step 4: Simplify right side
    2,147,495.52x = 2,033,180,575,055.65
  5. Step 5: Solve for x
    x = 2,033,180,575,055.65/2,147,495.52
  6. Step 6: Final answer
    x = 946,768.25

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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.