Home / 1,815,961.88-2,506,141.15-1,000,165.37

Finding the Fourth Proportional to 1,815,961.88, 2,506,141.15 and 1,000,165.37

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Solution

The fourth proportional to 1,815,961.88, 2,506,141.15 and 1,000,165.37 is: 1,380,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,961.88 : 2,506,141.15 = 1,000,165.37 : x
  2. Step 2: Convert to fraction form
    1,815,961.88/2,506,141.15 = 1,000,165.37/x
  3. Step 3: Cross multiply
    1,815,961.88x = 2,506,141.15 × 1,000,165.37
  4. Step 4: Simplify right side
    1,815,961.88x = 2,506,555,590,561.98
  5. Step 5: Solve for x
    x = 2,506,555,590,561.98/1,815,961.88
  6. Step 6: Final answer
    x = 1,380,290.86

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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.