Home / 3,918,216.59-5,877,357.72-1,078,484.57

Finding the Fourth Proportional to 3,918,216.59, 5,877,357.72 and 1,078,484.57

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Solution

The fourth proportional to 3,918,216.59, 5,877,357.72 and 1,078,484.57 is: 1,617,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,216.59 : 5,877,357.72 = 1,078,484.57 : x
  2. Step 2: Convert to fraction form
    3,918,216.59/5,877,357.72 = 1,078,484.57/x
  3. Step 3: Cross multiply
    3,918,216.59x = 5,877,357.72 × 1,078,484.57
  4. Step 4: Simplify right side
    3,918,216.59x = 6,338,639,641,125.98
  5. Step 5: Solve for x
    x = 6,338,639,641,125.98/3,918,216.59
  6. Step 6: Final answer
    x = 1,617,735.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.