Home / 2,177,513.36-3,005,017.24-1,197,390.28

Finding the Fourth Proportional to 2,177,513.36, 3,005,017.24 and 1,197,390.28

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Solution

The fourth proportional to 2,177,513.36, 3,005,017.24 and 1,197,390.28 is: 1,652,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,513.36 : 3,005,017.24 = 1,197,390.28 : x
  2. Step 2: Convert to fraction form
    2,177,513.36/3,005,017.24 = 1,197,390.28/x
  3. Step 3: Cross multiply
    2,177,513.36x = 3,005,017.24 × 1,197,390.28
  4. Step 4: Simplify right side
    2,177,513.36x = 3,598,178,434,408.43
  5. Step 5: Solve for x
    x = 3,598,178,434,408.43/2,177,513.36
  6. Step 6: Final answer
    x = 1,652,425.42

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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.