Home / 3,903,901.98-5,387,383.80-2,185,022.40

Finding the Fourth Proportional to 3,903,901.98, 5,387,383.80 and 2,185,022.40

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Solution

The fourth proportional to 3,903,901.98, 5,387,383.80 and 2,185,022.40 is: 3,015,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,901.98 : 5,387,383.80 = 2,185,022.40 : x
  2. Step 2: Convert to fraction form
    3,903,901.98/5,387,383.80 = 2,185,022.40/x
  3. Step 3: Cross multiply
    3,903,901.98x = 5,387,383.80 × 2,185,022.40
  4. Step 4: Simplify right side
    3,903,901.98x = 11,771,554,280,397.12
  5. Step 5: Solve for x
    x = 11,771,554,280,397.12/3,903,901.98
  6. Step 6: Final answer
    x = 3,015,330.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.