Home / 3,113,428.20-4,669,704.90-983,727.60

Finding the Fourth Proportional to 3,113,428.20, 4,669,704.90 and 983,727.60

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Solution

The fourth proportional to 3,113,428.20, 4,669,704.90 and 983,727.60 is: 1,475,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,428.20 : 4,669,704.90 = 983,727.60 : x
  2. Step 2: Convert to fraction form
    3,113,428.20/4,669,704.90 = 983,727.60/x
  3. Step 3: Cross multiply
    3,113,428.20x = 4,669,704.90 × 983,727.60
  4. Step 4: Simplify right side
    3,113,428.20x = 4,593,717,593,985.24
  5. Step 5: Solve for x
    x = 4,593,717,593,985.24/3,113,428.20
  6. Step 6: Final answer
    x = 1,475,453.20

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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.