Home / 6,907,285.60-10,360,021.20-2,115,455.20

Finding the Fourth Proportional to 6,907,285.60, 10,360,021.20 and 2,115,455.20

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Solution

The fourth proportional to 6,907,285.60, 10,360,021.20 and 2,115,455.20 is: 3,172,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907,285.60 : 10,360,021.20 = 2,115,455.20 : x
  2. Step 2: Convert to fraction form
    6,907,285.60/10,360,021.20 = 2,115,455.20/x
  3. Step 3: Cross multiply
    6,907,285.60x = 10,360,021.20 × 2,115,455.20
  4. Step 4: Simplify right side
    6,907,285.60x = 21,916,160,719,650.24
  5. Step 5: Solve for x
    x = 21,916,160,719,650.24/6,907,285.60
  6. Step 6: Final answer
    x = 3,172,904.96

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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.