Home / 5,678,712.32-8,519,293.20-1,635,172.88

Finding the Fourth Proportional to 5,678,712.32, 8,519,293.20 and 1,635,172.88

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Solution

The fourth proportional to 5,678,712.32, 8,519,293.20 and 1,635,172.88 is: 2,453,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,712.32 : 8,519,293.20 = 1,635,172.88 : x
  2. Step 2: Convert to fraction form
    5,678,712.32/8,519,293.20 = 1,635,172.88/x
  3. Step 3: Cross multiply
    5,678,712.32x = 8,519,293.20 × 1,635,172.88
  4. Step 4: Simplify right side
    5,678,712.32x = 13,930,517,197,408.41
  5. Step 5: Solve for x
    x = 13,930,517,197,408.41/5,678,712.32
  6. Step 6: Final answer
    x = 2,453,111.98

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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.