Home / 3,780,389.80-5,671,103.10-1,255,781.80

Finding the Fourth Proportional to 3,780,389.80, 5,671,103.10 and 1,255,781.80

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Solution

The fourth proportional to 3,780,389.80, 5,671,103.10 and 1,255,781.80 is: 1,883,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,389.80 : 5,671,103.10 = 1,255,781.80 : x
  2. Step 2: Convert to fraction form
    3,780,389.80/5,671,103.10 = 1,255,781.80/x
  3. Step 3: Cross multiply
    3,780,389.80x = 5,671,103.10 × 1,255,781.80
  4. Step 4: Simplify right side
    3,780,389.80x = 7,121,668,058,903.58
  5. Step 5: Solve for x
    x = 7,121,668,058,903.58/3,780,389.80
  6. Step 6: Final answer
    x = 1,883,844.90

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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.