Home / 1,581,065.54-2,181,871.12-855,913.24

Finding the Fourth Proportional to 1,581,065.54, 2,181,871.12 and 855,913.24

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Solution

The fourth proportional to 1,581,065.54, 2,181,871.12 and 855,913.24 is: 1,181,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,065.54 : 2,181,871.12 = 855,913.24 : x
  2. Step 2: Convert to fraction form
    1,581,065.54/2,181,871.12 = 855,913.24/x
  3. Step 3: Cross multiply
    1,581,065.54x = 2,181,871.12 × 855,913.24
  4. Step 4: Simplify right side
    1,581,065.54x = 1,867,492,379,581.63
  5. Step 5: Solve for x
    x = 1,867,492,379,581.63/1,581,065.54
  6. Step 6: Final answer
    x = 1,181,160.64

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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.