Home / 2,415,915-3,333,877.78-1,328,178.68

Finding the Fourth Proportional to 2,415,915, 3,333,877.78 and 1,328,178.68

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Solution

The fourth proportional to 2,415,915, 3,333,877.78 and 1,328,178.68 is: 1,832,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,915 : 3,333,877.78 = 1,328,178.68 : x
  2. Step 2: Convert to fraction form
    2,415,915/3,333,877.78 = 1,328,178.68/x
  3. Step 3: Cross multiply
    2,415,915x = 3,333,877.78 × 1,328,178.68
  4. Step 4: Simplify right side
    2,415,915x = 4,427,985,389,121.73
  5. Step 5: Solve for x
    x = 4,427,985,389,121.73/2,415,915
  6. Step 6: Final answer
    x = 1,832,839.89

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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.