Home / 2,113,811.76-3,171,048.28-693,544.88

Finding the Fourth Proportional to 2,113,811.76, 3,171,048.28 and 693,544.88

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Solution

The fourth proportional to 2,113,811.76, 3,171,048.28 and 693,544.88 is: 1,040,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,811.76 : 3,171,048.28 = 693,544.88 : x
  2. Step 2: Convert to fraction form
    2,113,811.76/3,171,048.28 = 693,544.88/x
  3. Step 3: Cross multiply
    2,113,811.76x = 3,171,048.28 × 693,544.88
  4. Step 4: Simplify right side
    2,113,811.76x = 2,199,264,298,826.81
  5. Step 5: Solve for x
    x = 2,199,264,298,826.81/2,113,811.76
  6. Step 6: Final answer
    x = 1,040,425.80

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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.