Home / 5,180,808.60-7,771,212.90-1,815,015.60

Finding the Fourth Proportional to 5,180,808.60, 7,771,212.90 and 1,815,015.60

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Solution

The fourth proportional to 5,180,808.60, 7,771,212.90 and 1,815,015.60 is: 2,722,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,808.60 : 7,771,212.90 = 1,815,015.60 : x
  2. Step 2: Convert to fraction form
    5,180,808.60/7,771,212.90 = 1,815,015.60/x
  3. Step 3: Cross multiply
    5,180,808.60x = 7,771,212.90 × 1,815,015.60
  4. Step 4: Simplify right side
    5,180,808.60x = 14,104,872,644,421.24
  5. Step 5: Solve for x
    x = 14,104,872,644,421.24/5,180,808.60
  6. Step 6: Final answer
    x = 2,722,523.40

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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.