Home / 5,455,459.60-8,182,893.56-1,668,942.80

Finding the Fourth Proportional to 5,455,459.60, 8,182,893.56 and 1,668,942.80

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Solution

The fourth proportional to 5,455,459.60, 8,182,893.56 and 1,668,942.80 is: 2,503,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,459.60 : 8,182,893.56 = 1,668,942.80 : x
  2. Step 2: Convert to fraction form
    5,455,459.60/8,182,893.56 = 1,668,942.80/x
  3. Step 3: Cross multiply
    5,455,459.60x = 8,182,893.56 × 1,668,942.80
  4. Step 4: Simplify right side
    5,455,459.60x = 13,656,781,290,128.37
  5. Step 5: Solve for x
    x = 13,656,781,290,128.37/5,455,459.60
  6. Step 6: Final answer
    x = 2,503,323.70

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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.