Home / 1,914,209.80-2,641,490.50-1,054,721.96

Finding the Fourth Proportional to 1,914,209.80, 2,641,490.50 and 1,054,721.96

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Solution

The fourth proportional to 1,914,209.80, 2,641,490.50 and 1,054,721.96 is: 1,455,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,209.80 : 2,641,490.50 = 1,054,721.96 : x
  2. Step 2: Convert to fraction form
    1,914,209.80/2,641,490.50 = 1,054,721.96/x
  3. Step 3: Cross multiply
    1,914,209.80x = 2,641,490.50 × 1,054,721.96
  4. Step 4: Simplify right side
    1,914,209.80x = 2,786,038,037,481.38
  5. Step 5: Solve for x
    x = 2,786,038,037,481.38/1,914,209.80
  6. Step 6: Final answer
    x = 1,455,450.72

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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.