Home / 2,989,765.80-4,484,648.70-1,192,926.60

Finding the Fourth Proportional to 2,989,765.80, 4,484,648.70 and 1,192,926.60

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Solution

The fourth proportional to 2,989,765.80, 4,484,648.70 and 1,192,926.60 is: 1,789,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,765.80 : 4,484,648.70 = 1,192,926.60 : x
  2. Step 2: Convert to fraction form
    2,989,765.80/4,484,648.70 = 1,192,926.60/x
  3. Step 3: Cross multiply
    2,989,765.80x = 4,484,648.70 × 1,192,926.60
  4. Step 4: Simplify right side
    2,989,765.80x = 5,349,856,725,885.42
  5. Step 5: Solve for x
    x = 5,349,856,725,885.42/2,989,765.80
  6. Step 6: Final answer
    x = 1,789,389.90

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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.