Home / 1,855,932.64-2,784,109.28-1,665,221.32

Finding the Fourth Proportional to 1,855,932.64, 2,784,109.28 and 1,665,221.32

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Solution

The fourth proportional to 1,855,932.64, 2,784,109.28 and 1,665,221.32 is: 2,498,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,932.64 : 2,784,109.28 = 1,665,221.32 : x
  2. Step 2: Convert to fraction form
    1,855,932.64/2,784,109.28 = 1,665,221.32/x
  3. Step 3: Cross multiply
    1,855,932.64x = 2,784,109.28 × 1,665,221.32
  4. Step 4: Simplify right side
    1,855,932.64x = 4,636,158,130,265.85
  5. Step 5: Solve for x
    x = 4,636,158,130,265.85/1,855,932.64
  6. Step 6: Final answer
    x = 2,498,020.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.