Home / 2,137,852.80-3,206,779.20-641,750.40

Finding the Fourth Proportional to 2,137,852.80, 3,206,779.20 and 641,750.40

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Solution

The fourth proportional to 2,137,852.80, 3,206,779.20 and 641,750.40 is: 962,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,852.80 : 3,206,779.20 = 641,750.40 : x
  2. Step 2: Convert to fraction form
    2,137,852.80/3,206,779.20 = 641,750.40/x
  3. Step 3: Cross multiply
    2,137,852.80x = 3,206,779.20 × 641,750.40
  4. Step 4: Simplify right side
    2,137,852.80x = 2,057,951,834,311.68
  5. Step 5: Solve for x
    x = 2,057,951,834,311.68/2,137,852.80
  6. Step 6: Final answer
    x = 962,625.60

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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.