Home / 1,856,425.35-2,562,128.66-1,029,682.79

Finding the Fourth Proportional to 1,856,425.35, 2,562,128.66 and 1,029,682.79

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Solution

The fourth proportional to 1,856,425.35, 2,562,128.66 and 1,029,682.79 is: 1,421,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,425.35 : 2,562,128.66 = 1,029,682.79 : x
  2. Step 2: Convert to fraction form
    1,856,425.35/2,562,128.66 = 1,029,682.79/x
  3. Step 3: Cross multiply
    1,856,425.35x = 2,562,128.66 × 1,029,682.79
  4. Step 4: Simplify right side
    1,856,425.35x = 2,638,179,786,967.76
  5. Step 5: Solve for x
    x = 2,638,179,786,967.76/1,856,425.35
  6. Step 6: Final answer
    x = 1,421,107.39

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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.