Home / 1,619,980.15-2,235,521.81-884,922.61

Finding the Fourth Proportional to 1,619,980.15, 2,235,521.81 and 884,922.61

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Solution

The fourth proportional to 1,619,980.15, 2,235,521.81 and 884,922.61 is: 1,221,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,980.15 : 2,235,521.81 = 884,922.61 : x
  2. Step 2: Convert to fraction form
    1,619,980.15/2,235,521.81 = 884,922.61/x
  3. Step 3: Cross multiply
    1,619,980.15x = 2,235,521.81 × 884,922.61
  4. Step 4: Simplify right side
    1,619,980.15x = 1,978,263,794,817.12
  5. Step 5: Solve for x
    x = 1,978,263,794,817.12/1,619,980.15
  6. Step 6: Final answer
    x = 1,221,165.45

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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.