Home / 3,120,672.60-4,677,783.30-1,697,722.20

Finding the Fourth Proportional to 3,120,672.60, 4,677,783.30 and 1,697,722.20

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Solution

The fourth proportional to 3,120,672.60, 4,677,783.30 and 1,697,722.20 is: 2,544,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,672.60 : 4,677,783.30 = 1,697,722.20 : x
  2. Step 2: Convert to fraction form
    3,120,672.60/4,677,783.30 = 1,697,722.20/x
  3. Step 3: Cross multiply
    3,120,672.60x = 4,677,783.30 × 1,697,722.20
  4. Step 4: Simplify right side
    3,120,672.60x = 7,941,576,555,199.26
  5. Step 5: Solve for x
    x = 7,941,576,555,199.26/3,120,672.60
  6. Step 6: Final answer
    x = 2,544,828.49

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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.