Home / 1,914,399.84-2,641,889.52-1,054,990.92

Finding the Fourth Proportional to 1,914,399.84, 2,641,889.52 and 1,054,990.92

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Solution

The fourth proportional to 1,914,399.84, 2,641,889.52 and 1,054,990.92 is: 1,455,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,399.84 : 2,641,889.52 = 1,054,990.92 : x
  2. Step 2: Convert to fraction form
    1,914,399.84/2,641,889.52 = 1,054,990.92/x
  3. Step 3: Cross multiply
    1,914,399.84x = 2,641,889.52 × 1,054,990.92
  4. Step 4: Simplify right side
    1,914,399.84x = 2,787,169,455,243.16
  5. Step 5: Solve for x
    x = 2,787,169,455,243.16/1,914,399.84
  6. Step 6: Final answer
    x = 1,455,897.25

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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.