Home / 2,920,765.80-4,380,371.10-899,005.80

Finding the Fourth Proportional to 2,920,765.80, 4,380,371.10 and 899,005.80

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Solution

The fourth proportional to 2,920,765.80, 4,380,371.10 and 899,005.80 is: 1,348,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,765.80 : 4,380,371.10 = 899,005.80 : x
  2. Step 2: Convert to fraction form
    2,920,765.80/4,380,371.10 = 899,005.80/x
  3. Step 3: Cross multiply
    2,920,765.80x = 4,380,371.10 × 899,005.80
  4. Step 4: Simplify right side
    2,920,765.80x = 3,937,979,025,052.38
  5. Step 5: Solve for x
    x = 3,937,979,025,052.38/2,920,765.80
  6. Step 6: Final answer
    x = 1,348,269.36

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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.