Home / 3,464,997.60-5,191,966.80-2,900,978.40

Finding the Fourth Proportional to 3,464,997.60, 5,191,966.80 and 2,900,978.40

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Solution

The fourth proportional to 3,464,997.60, 5,191,966.80 and 2,900,978.40 is: 4,346,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464,997.60 : 5,191,966.80 = 2,900,978.40 : x
  2. Step 2: Convert to fraction form
    3,464,997.60/5,191,966.80 = 2,900,978.40/x
  3. Step 3: Cross multiply
    3,464,997.60x = 5,191,966.80 × 2,900,978.40
  4. Step 4: Simplify right side
    3,464,997.60x = 15,061,783,540,317.12
  5. Step 5: Solve for x
    x = 15,061,783,540,317.12/3,464,997.60
  6. Step 6: Final answer
    x = 4,346,838.09

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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.