Home / 3,115,655.36-4,671,729.84-2,144,160.80

Finding the Fourth Proportional to 3,115,655.36, 4,671,729.84 and 2,144,160.80

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Solution

The fourth proportional to 3,115,655.36, 4,671,729.84 and 2,144,160.80 is: 3,215,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,655.36 : 4,671,729.84 = 2,144,160.80 : x
  2. Step 2: Convert to fraction form
    3,115,655.36/4,671,729.84 = 2,144,160.80/x
  3. Step 3: Cross multiply
    3,115,655.36x = 4,671,729.84 × 2,144,160.80
  4. Step 4: Simplify right side
    3,115,655.36x = 10,016,939,991,118.27
  5. Step 5: Solve for x
    x = 10,016,939,991,118.27/3,115,655.36
  6. Step 6: Final answer
    x = 3,215,034.67

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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.