Home / 1,904,647.34-2,628,489.21-1,045,238.42

Finding the Fourth Proportional to 1,904,647.34, 2,628,489.21 and 1,045,238.42

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Solution

The fourth proportional to 1,904,647.34, 2,628,489.21 and 1,045,238.42 is: 1,442,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,647.34 : 2,628,489.21 = 1,045,238.42 : x
  2. Step 2: Convert to fraction form
    1,904,647.34/2,628,489.21 = 1,045,238.42/x
  3. Step 3: Cross multiply
    1,904,647.34x = 2,628,489.21 × 1,045,238.42
  4. Step 4: Simplify right side
    1,904,647.34x = 2,747,397,908,847.45
  5. Step 5: Solve for x
    x = 2,747,397,908,847.45/1,904,647.34
  6. Step 6: Final answer
    x = 1,442,470.66

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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.