Home / 1,581,893.06-2,183,011.74-856,740.78

Finding the Fourth Proportional to 1,581,893.06, 2,183,011.74 and 856,740.78

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Solution

The fourth proportional to 1,581,893.06, 2,183,011.74 and 856,740.78 is: 1,182,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,893.06 : 2,183,011.74 = 856,740.78 : x
  2. Step 2: Convert to fraction form
    1,581,893.06/2,183,011.74 = 856,740.78/x
  3. Step 3: Cross multiply
    1,581,893.06x = 2,183,011.74 × 856,740.78
  4. Step 4: Simplify right side
    1,581,893.06x = 1,870,275,180,876.76
  5. Step 5: Solve for x
    x = 1,870,275,180,876.76/1,581,893.06
  6. Step 6: Final answer
    x = 1,182,301.91

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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.