Home / 2,178,660.70-3,006,489.36-1,185,197.32

Finding the Fourth Proportional to 2,178,660.70, 3,006,489.36 and 1,185,197.32

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Solution

The fourth proportional to 2,178,660.70, 3,006,489.36 and 1,185,197.32 is: 1,635,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,660.70 : 3,006,489.36 = 1,185,197.32 : x
  2. Step 2: Convert to fraction form
    2,178,660.70/3,006,489.36 = 1,185,197.32/x
  3. Step 3: Cross multiply
    2,178,660.70x = 3,006,489.36 × 1,185,197.32
  4. Step 4: Simplify right side
    2,178,660.70x = 3,563,283,120,038.25
  5. Step 5: Solve for x
    x = 3,563,283,120,038.25/2,178,660.70
  6. Step 6: Final answer
    x = 1,635,538.35

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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.