Home / 1,581,977.62-2,183,118.13-856,808.82

Finding the Fourth Proportional to 1,581,977.62, 2,183,118.13 and 856,808.82

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Solution

The fourth proportional to 1,581,977.62, 2,183,118.13 and 856,808.82 is: 1,182,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,977.62 : 2,183,118.13 = 856,808.82 : x
  2. Step 2: Convert to fraction form
    1,581,977.62/2,183,118.13 = 856,808.82/x
  3. Step 3: Cross multiply
    1,581,977.62x = 2,183,118.13 × 856,808.82
  4. Step 4: Simplify right side
    1,581,977.62x = 1,870,514,868,885.91
  5. Step 5: Solve for x
    x = 1,870,514,868,885.91/1,581,977.62
  6. Step 6: Final answer
    x = 1,182,390.22

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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.