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Finding the Fourth Proportional to 4,984,323.88, 7,476,485.82 and 1,572,956.22

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Solution

The fourth proportional to 4,984,323.88, 7,476,485.82 and 1,572,956.22 is: 2,359,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,323.88 : 7,476,485.82 = 1,572,956.22 : x
  2. Step 2: Convert to fraction form
    4,984,323.88/7,476,485.82 = 1,572,956.22/x
  3. Step 3: Cross multiply
    4,984,323.88x = 7,476,485.82 × 1,572,956.22
  4. Step 4: Simplify right side
    4,984,323.88x = 11,760,184,874,310.80
  5. Step 5: Solve for x
    x = 11,760,184,874,310.80/4,984,323.88
  6. Step 6: Final answer
    x = 2,359,434.33

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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.