Home / 1,885,396.34-2,601,905.75-1,069,634.40

Finding the Fourth Proportional to 1,885,396.34, 2,601,905.75 and 1,069,634.40

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Solution

The fourth proportional to 1,885,396.34, 2,601,905.75 and 1,069,634.40 is: 1,476,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,396.34 : 2,601,905.75 = 1,069,634.40 : x
  2. Step 2: Convert to fraction form
    1,885,396.34/2,601,905.75 = 1,069,634.40/x
  3. Step 3: Cross multiply
    1,885,396.34x = 2,601,905.75 × 1,069,634.40
  4. Step 4: Simplify right side
    1,885,396.34x = 2,783,087,890,409.63
  5. Step 5: Solve for x
    x = 2,783,087,890,409.63/1,885,396.34
  6. Step 6: Final answer
    x = 1,476,128.83

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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.