Home / 2,124,346.73-3,187,848.72-862,174.35

Finding the Fourth Proportional to 2,124,346.73, 3,187,848.72 and 862,174.35

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Solution

The fourth proportional to 2,124,346.73, 3,187,848.72 and 862,174.35 is: 1,293,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,346.73 : 3,187,848.72 = 862,174.35 : x
  2. Step 2: Convert to fraction form
    2,124,346.73/3,187,848.72 = 862,174.35/x
  3. Step 3: Cross multiply
    2,124,346.73x = 3,187,848.72 × 862,174.35
  4. Step 4: Simplify right side
    2,124,346.73x = 2,748,481,401,297.49
  5. Step 5: Solve for x
    x = 2,748,481,401,297.49/2,124,346.73
  6. Step 6: Final answer
    x = 1,293,800.76

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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.