Home / 1,914,385.81-2,641,870.20-1,054,976.89

Finding the Fourth Proportional to 1,914,385.81, 2,641,870.20 and 1,054,976.89

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Solution

The fourth proportional to 1,914,385.81, 2,641,870.20 and 1,054,976.89 is: 1,455,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,385.81 : 2,641,870.20 = 1,054,976.89 : x
  2. Step 2: Convert to fraction form
    1,914,385.81/2,641,870.20 = 1,054,976.89/x
  3. Step 3: Cross multiply
    1,914,385.81x = 2,641,870.20 × 1,054,976.89
  4. Step 4: Simplify right side
    1,914,385.81x = 2,787,112,007,379.68
  5. Step 5: Solve for x
    x = 2,787,112,007,379.68/1,914,385.81
  6. Step 6: Final answer
    x = 1,455,877.91

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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.