Home / 1,815,961.38-2,506,140.46-1,000,164.87

Finding the Fourth Proportional to 1,815,961.38, 2,506,140.46 and 1,000,164.87

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Solution

The fourth proportional to 1,815,961.38, 2,506,140.46 and 1,000,164.87 is: 1,380,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,961.38 : 2,506,140.46 = 1,000,164.87 : x
  2. Step 2: Convert to fraction form
    1,815,961.38/2,506,140.46 = 1,000,164.87/x
  3. Step 3: Cross multiply
    1,815,961.38x = 2,506,140.46 × 1,000,164.87
  4. Step 4: Simplify right side
    1,815,961.38x = 2,506,553,642,376.82
  5. Step 5: Solve for x
    x = 2,506,553,642,376.82/1,815,961.38
  6. Step 6: Final answer
    x = 1,380,290.17

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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.