Home / 1,609,661.40-2,221,199.82-884,471.64

Finding the Fourth Proportional to 1,609,661.40, 2,221,199.82 and 884,471.64

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Solution

The fourth proportional to 1,609,661.40, 2,221,199.82 and 884,471.64 is: 1,220,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,661.40 : 2,221,199.82 = 884,471.64 : x
  2. Step 2: Convert to fraction form
    1,609,661.40/2,221,199.82 = 884,471.64/x
  3. Step 3: Cross multiply
    1,609,661.40x = 2,221,199.82 × 884,471.64
  4. Step 4: Simplify right side
    1,609,661.40x = 1,964,588,247,563.10
  5. Step 5: Solve for x
    x = 1,964,588,247,563.10/1,609,661.40
  6. Step 6: Final answer
    x = 1,220,497.83

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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.