Home / 4,679,133.71-7,019,529.80-2,120,245.29

Finding the Fourth Proportional to 4,679,133.71, 7,019,529.80 and 2,120,245.29

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Solution

The fourth proportional to 4,679,133.71, 7,019,529.80 and 2,120,245.29 is: 3,180,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,133.71 : 7,019,529.80 = 2,120,245.29 : x
  2. Step 2: Convert to fraction form
    4,679,133.71/7,019,529.80 = 2,120,245.29/x
  3. Step 3: Cross multiply
    4,679,133.71x = 7,019,529.80 × 2,120,245.29
  4. Step 4: Simplify right side
    4,679,133.71x = 14,883,124,996,464.64
  5. Step 5: Solve for x
    x = 14,883,124,996,464.64/4,679,133.71
  6. Step 6: Final answer
    x = 3,180,743.68

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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.