Home / 1,581,894.06-2,183,013.12-856,741.78

Finding the Fourth Proportional to 1,581,894.06, 2,183,013.12 and 856,741.78

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Solution

The fourth proportional to 1,581,894.06, 2,183,013.12 and 856,741.78 is: 1,182,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,894.06 : 2,183,013.12 = 856,741.78 : x
  2. Step 2: Convert to fraction form
    1,581,894.06/2,183,013.12 = 856,741.78/x
  3. Step 3: Cross multiply
    1,581,894.06x = 2,183,013.12 × 856,741.78
  4. Step 4: Simplify right side
    1,581,894.06x = 1,870,278,546,192.15
  5. Step 5: Solve for x
    x = 1,870,278,546,192.15/1,581,894.06
  6. Step 6: Final answer
    x = 1,182,303.29

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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.