Home / 1,870,304.64-2,806,163.52-1,122,871.68

Finding the Fourth Proportional to 1,870,304.64, 2,806,163.52 and 1,122,871.68

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Solution

The fourth proportional to 1,870,304.64, 2,806,163.52 and 1,122,871.68 is: 1,684,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,304.64 : 2,806,163.52 = 1,122,871.68 : x
  2. Step 2: Convert to fraction form
    1,870,304.64/2,806,163.52 = 1,122,871.68/x
  3. Step 3: Cross multiply
    1,870,304.64x = 2,806,163.52 × 1,122,871.68
  4. Step 4: Simplify right side
    1,870,304.64x = 3,150,961,546,057.11
  5. Step 5: Solve for x
    x = 3,150,961,546,057.11/1,870,304.64
  6. Step 6: Final answer
    x = 1,684,731.72

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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.