Home / 1,920,576.60-2,880,864.90-963,982.80

Finding the Fourth Proportional to 1,920,576.60, 2,880,864.90 and 963,982.80

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Solution

The fourth proportional to 1,920,576.60, 2,880,864.90 and 963,982.80 is: 1,445,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,576.60 : 2,880,864.90 = 963,982.80 : x
  2. Step 2: Convert to fraction form
    1,920,576.60/2,880,864.90 = 963,982.80/x
  3. Step 3: Cross multiply
    1,920,576.60x = 2,880,864.90 × 963,982.80
  4. Step 4: Simplify right side
    1,920,576.60x = 2,777,104,212,723.72
  5. Step 5: Solve for x
    x = 2,777,104,212,723.72/1,920,576.60
  6. Step 6: Final answer
    x = 1,445,974.20

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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.