Home / 2,084,205.80-3,126,017.10-664,405.40

Finding the Fourth Proportional to 2,084,205.80, 3,126,017.10 and 664,405.40

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Solution

The fourth proportional to 2,084,205.80, 3,126,017.10 and 664,405.40 is: 996,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,205.80 : 3,126,017.10 = 664,405.40 : x
  2. Step 2: Convert to fraction form
    2,084,205.80/3,126,017.10 = 664,405.40/x
  3. Step 3: Cross multiply
    2,084,205.80x = 3,126,017.10 × 664,405.40
  4. Step 4: Simplify right side
    2,084,205.80x = 2,076,942,641,732.34
  5. Step 5: Solve for x
    x = 2,076,942,641,732.34/2,084,205.80
  6. Step 6: Final answer
    x = 996,515.14

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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.