Home / 1,814,920.94-2,504,607.81-999,140.78

Finding the Fourth Proportional to 1,814,920.94, 2,504,607.81 and 999,140.78

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Solution

The fourth proportional to 1,814,920.94, 2,504,607.81 and 999,140.78 is: 1,378,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,920.94 : 2,504,607.81 = 999,140.78 : x
  2. Step 2: Convert to fraction form
    1,814,920.94/2,504,607.81 = 999,140.78/x
  3. Step 3: Cross multiply
    1,814,920.94x = 2,504,607.81 × 999,140.78
  4. Step 4: Simplify right side
    1,814,920.94x = 2,502,455,800,877.49
  5. Step 5: Solve for x
    x = 2,502,455,800,877.49/1,814,920.94
  6. Step 6: Final answer
    x = 1,378,823.59

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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.