Home / 3,836,726.80-5,755,090.20-1,312,003.60

Finding the Fourth Proportional to 3,836,726.80, 5,755,090.20 and 1,312,003.60

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Solution

The fourth proportional to 3,836,726.80, 5,755,090.20 and 1,312,003.60 is: 1,968,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,726.80 : 5,755,090.20 = 1,312,003.60 : x
  2. Step 2: Convert to fraction form
    3,836,726.80/5,755,090.20 = 1,312,003.60/x
  3. Step 3: Cross multiply
    3,836,726.80x = 5,755,090.20 × 1,312,003.60
  4. Step 4: Simplify right side
    3,836,726.80x = 7,550,699,060,724.72
  5. Step 5: Solve for x
    x = 7,550,699,060,724.72/3,836,726.80
  6. Step 6: Final answer
    x = 1,968,005.40

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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.