Home / 3,759,302.88-5,638,928.40-919,455.84

Finding the Fourth Proportional to 3,759,302.88, 5,638,928.40 and 919,455.84

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Solution

The fourth proportional to 3,759,302.88, 5,638,928.40 and 919,455.84 is: 1,379,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,302.88 : 5,638,928.40 = 919,455.84 : x
  2. Step 2: Convert to fraction form
    3,759,302.88/5,638,928.40 = 919,455.84/x
  3. Step 3: Cross multiply
    3,759,302.88x = 5,638,928.40 × 919,455.84
  4. Step 4: Simplify right side
    3,759,302.88x = 5,184,745,648,721.86
  5. Step 5: Solve for x
    x = 5,184,745,648,721.86/3,759,302.88
  6. Step 6: Final answer
    x = 1,379,177.42

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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.