Home / 3,342,783.60-5,014,175.40-1,212,937.20

Finding the Fourth Proportional to 3,342,783.60, 5,014,175.40 and 1,212,937.20

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Solution

The fourth proportional to 3,342,783.60, 5,014,175.40 and 1,212,937.20 is: 1,819,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342,783.60 : 5,014,175.40 = 1,212,937.20 : x
  2. Step 2: Convert to fraction form
    3,342,783.60/5,014,175.40 = 1,212,937.20/x
  3. Step 3: Cross multiply
    3,342,783.60x = 5,014,175.40 × 1,212,937.20
  4. Step 4: Simplify right side
    3,342,783.60x = 6,081,879,869,984.88
  5. Step 5: Solve for x
    x = 6,081,879,869,984.88/3,342,783.60
  6. Step 6: Final answer
    x = 1,819,405.80

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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.