Home / 2,079,319.20-3,117,423.60-1,133,757.60

Finding the Fourth Proportional to 2,079,319.20, 3,117,423.60 and 1,133,757.60

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Solution

The fourth proportional to 2,079,319.20, 3,117,423.60 and 1,133,757.60 is: 1,699,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,319.20 : 3,117,423.60 = 1,133,757.60 : x
  2. Step 2: Convert to fraction form
    2,079,319.20/3,117,423.60 = 1,133,757.60/x
  3. Step 3: Cross multiply
    2,079,319.20x = 3,117,423.60 × 1,133,757.60
  4. Step 4: Simplify right side
    2,079,319.20x = 3,534,402,698,919.36
  5. Step 5: Solve for x
    x = 3,534,402,698,919.36/2,079,319.20
  6. Step 6: Final answer
    x = 1,699,788.42

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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.