Home / 2,133,153.80-2,943,780.15-1,166,285.19

Finding the Fourth Proportional to 2,133,153.80, 2,943,780.15 and 1,166,285.19

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Solution

The fourth proportional to 2,133,153.80, 2,943,780.15 and 1,166,285.19 is: 1,609,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,153.80 : 2,943,780.15 = 1,166,285.19 : x
  2. Step 2: Convert to fraction form
    2,133,153.80/2,943,780.15 = 1,166,285.19/x
  3. Step 3: Cross multiply
    2,133,153.80x = 2,943,780.15 × 1,166,285.19
  4. Step 4: Simplify right side
    2,133,153.80x = 3,433,287,206,973.72
  5. Step 5: Solve for x
    x = 3,433,287,206,973.72/2,133,153.80
  6. Step 6: Final answer
    x = 1,609,488.83

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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.