Home / 1,581,776.10-2,182,824.05-856,617.93

Finding the Fourth Proportional to 1,581,776.10, 2,182,824.05 and 856,617.93

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Solution

The fourth proportional to 1,581,776.10, 2,182,824.05 and 856,617.93 is: 1,182,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,776.10 : 2,182,824.05 = 856,617.93 : x
  2. Step 2: Convert to fraction form
    1,581,776.10/2,182,824.05 = 856,617.93/x
  3. Step 3: Cross multiply
    1,581,776.10x = 2,182,824.05 × 856,617.93
  4. Step 4: Simplify right side
    1,581,776.10x = 1,869,846,214,982.13
  5. Step 5: Solve for x
    x = 1,869,846,214,982.13/1,581,776.10
  6. Step 6: Final answer
    x = 1,182,118.14

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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.