Home / 3,130,644.43-4,695,843.88-1,308,538.80

Finding the Fourth Proportional to 3,130,644.43, 4,695,843.88 and 1,308,538.80

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Solution

The fourth proportional to 3,130,644.43, 4,695,843.88 and 1,308,538.80 is: 1,962,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,644.43 : 4,695,843.88 = 1,308,538.80 : x
  2. Step 2: Convert to fraction form
    3,130,644.43/4,695,843.88 = 1,308,538.80/x
  3. Step 3: Cross multiply
    3,130,644.43x = 4,695,843.88 × 1,308,538.80
  4. Step 4: Simplify right side
    3,130,644.43x = 6,144,693,917,358.22
  5. Step 5: Solve for x
    x = 6,144,693,917,358.22/3,130,644.43
  6. Step 6: Final answer
    x = 1,962,756.89

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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.