Home / 2,128,166.10-3,187,000.35-1,414,329.30

Finding the Fourth Proportional to 2,128,166.10, 3,187,000.35 and 1,414,329.30

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Solution

The fourth proportional to 2,128,166.10, 3,187,000.35 and 1,414,329.30 is: 2,118,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,166.10 : 3,187,000.35 = 1,414,329.30 : x
  2. Step 2: Convert to fraction form
    2,128,166.10/3,187,000.35 = 1,414,329.30/x
  3. Step 3: Cross multiply
    2,128,166.10x = 3,187,000.35 × 1,414,329.30
  4. Step 4: Simplify right side
    2,128,166.10x = 4,507,467,974,115.26
  5. Step 5: Solve for x
    x = 4,507,467,974,115.26/2,128,166.10
  6. Step 6: Final answer
    x = 2,118,005.72

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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.