Home / 1,914,381.81-2,641,864.68-1,054,972.89

Finding the Fourth Proportional to 1,914,381.81, 2,641,864.68 and 1,054,972.89

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Solution

The fourth proportional to 1,914,381.81, 2,641,864.68 and 1,054,972.89 is: 1,455,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,381.81 : 2,641,864.68 = 1,054,972.89 : x
  2. Step 2: Convert to fraction form
    1,914,381.81/2,641,864.68 = 1,054,972.89/x
  3. Step 3: Cross multiply
    1,914,381.81x = 2,641,864.68 × 1,054,972.89
  4. Step 4: Simplify right side
    1,914,381.81x = 2,787,095,616,448.53
  5. Step 5: Solve for x
    x = 2,787,095,616,448.53/1,914,381.81
  6. Step 6: Final answer
    x = 1,455,872.39

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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.