Home / 2,128,964.38-2,937,946.35-1,162,086.82

Finding the Fourth Proportional to 2,128,964.38, 2,937,946.35 and 1,162,086.82

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Solution

The fourth proportional to 2,128,964.38, 2,937,946.35 and 1,162,086.82 is: 1,603,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,964.38 : 2,937,946.35 = 1,162,086.82 : x
  2. Step 2: Convert to fraction form
    2,128,964.38/2,937,946.35 = 1,162,086.82/x
  3. Step 3: Cross multiply
    2,128,964.38x = 2,937,946.35 × 1,162,086.82
  4. Step 4: Simplify right side
    2,128,964.38x = 3,414,148,731,202.11
  5. Step 5: Solve for x
    x = 3,414,148,731,202.11/2,128,964.38
  6. Step 6: Final answer
    x = 1,603,666.44

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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.