Home / 2,671,871.10-4,010,431.05-1,325,553.90

Finding the Fourth Proportional to 2,671,871.10, 4,010,431.05 and 1,325,553.90

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Solution

The fourth proportional to 2,671,871.10, 4,010,431.05 and 1,325,553.90 is: 1,989,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,871.10 : 4,010,431.05 = 1,325,553.90 : x
  2. Step 2: Convert to fraction form
    2,671,871.10/4,010,431.05 = 1,325,553.90/x
  3. Step 3: Cross multiply
    2,671,871.10x = 4,010,431.05 × 1,325,553.90
  4. Step 4: Simplify right side
    2,671,871.10x = 5,316,042,519,008.60
  5. Step 5: Solve for x
    x = 5,316,042,519,008.60/2,671,871.10
  6. Step 6: Final answer
    x = 1,989,632.85

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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.