Home / 3,668,309.78-5,503,416.01-1,393,873.52

Finding the Fourth Proportional to 3,668,309.78, 5,503,416.01 and 1,393,873.52

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Solution

The fourth proportional to 3,668,309.78, 5,503,416.01 and 1,393,873.52 is: 2,091,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,309.78 : 5,503,416.01 = 1,393,873.52 : x
  2. Step 2: Convert to fraction form
    3,668,309.78/5,503,416.01 = 1,393,873.52/x
  3. Step 3: Cross multiply
    3,668,309.78x = 5,503,416.01 × 1,393,873.52
  4. Step 4: Simplify right side
    3,668,309.78x = 7,671,065,814,881.29
  5. Step 5: Solve for x
    x = 7,671,065,814,881.29/3,668,309.78
  6. Step 6: Final answer
    x = 2,091,171.76

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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.