Home / 1,815,912.45-2,506,072.51-1,000,115.92

Finding the Fourth Proportional to 1,815,912.45, 2,506,072.51 and 1,000,115.92

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Solution

The fourth proportional to 1,815,912.45, 2,506,072.51 and 1,000,115.92 is: 1,380,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,912.45 : 2,506,072.51 = 1,000,115.92 : x
  2. Step 2: Convert to fraction form
    1,815,912.45/2,506,072.51 = 1,000,115.92/x
  3. Step 3: Cross multiply
    1,815,912.45x = 2,506,072.51 × 1,000,115.92
  4. Step 4: Simplify right side
    1,815,912.45x = 2,506,363,023,238.60
  5. Step 5: Solve for x
    x = 2,506,363,023,238.60/1,815,912.45
  6. Step 6: Final answer
    x = 1,380,222.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.