Home / 5,644,072.34-7,781,408.22-4,072,885.58

Finding the Fourth Proportional to 5,644,072.34, 7,781,408.22 and 4,072,885.58

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Solution

The fourth proportional to 5,644,072.34, 7,781,408.22 and 4,072,885.58 is: 5,615,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644,072.34 : 7,781,408.22 = 4,072,885.58 : x
  2. Step 2: Convert to fraction form
    5,644,072.34/7,781,408.22 = 4,072,885.58/x
  3. Step 3: Cross multiply
    5,644,072.34x = 7,781,408.22 × 4,072,885.58
  4. Step 4: Simplify right side
    5,644,072.34x = 31,692,785,331,331.47
  5. Step 5: Solve for x
    x = 31,692,785,331,331.47/5,644,072.34
  6. Step 6: Final answer
    x = 5,615,233.72

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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.