Home / 1,541,600-2,127,408-862,667.72

Finding the Fourth Proportional to 1,541,600, 2,127,408 and 862,667.72

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Solution

The fourth proportional to 1,541,600, 2,127,408 and 862,667.72 is: 1,190,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,600 : 2,127,408 = 862,667.72 : x
  2. Step 2: Convert to fraction form
    1,541,600/2,127,408 = 862,667.72/x
  3. Step 3: Cross multiply
    1,541,600x = 2,127,408 × 862,667.72
  4. Step 4: Simplify right side
    1,541,600x = 1,835,246,208,869.76
  5. Step 5: Solve for x
    x = 1,835,246,208,869.76/1,541,600
  6. Step 6: Final answer
    x = 1,190,481.45

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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.