Home / 3,408,875.52-4,705,951.32-2,120,131.32

Finding the Fourth Proportional to 3,408,875.52, 4,705,951.32 and 2,120,131.32

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Solution

The fourth proportional to 3,408,875.52, 4,705,951.32 and 2,120,131.32 is: 2,926,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,875.52 : 4,705,951.32 = 2,120,131.32 : x
  2. Step 2: Convert to fraction form
    3,408,875.52/4,705,951.32 = 2,120,131.32/x
  3. Step 3: Cross multiply
    3,408,875.52x = 4,705,951.32 × 2,120,131.32
  4. Step 4: Simplify right side
    3,408,875.52x = 9,977,234,783,927.34
  5. Step 5: Solve for x
    x = 9,977,234,783,927.34/3,408,875.52
  6. Step 6: Final answer
    x = 2,926,840.46

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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.