Home / 2,457,806.45-3,390,383.70-1,538,439.63

Finding the Fourth Proportional to 2,457,806.45, 3,390,383.70 and 1,538,439.63

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Solution

The fourth proportional to 2,457,806.45, 3,390,383.70 and 1,538,439.63 is: 2,122,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,806.45 : 3,390,383.70 = 1,538,439.63 : x
  2. Step 2: Convert to fraction form
    2,457,806.45/3,390,383.70 = 1,538,439.63/x
  3. Step 3: Cross multiply
    2,457,806.45x = 3,390,383.70 × 1,538,439.63
  4. Step 4: Simplify right side
    2,457,806.45x = 5,215,900,644,986.03
  5. Step 5: Solve for x
    x = 5,215,900,644,986.03/2,457,806.45
  6. Step 6: Final answer
    x = 2,122,177.14

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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.