Home / 4,213,803.72-5,815,005.42-2,280,021.60

Finding the Fourth Proportional to 4,213,803.72, 5,815,005.42 and 2,280,021.60

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Solution

The fourth proportional to 4,213,803.72, 5,815,005.42 and 2,280,021.60 is: 3,146,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,803.72 : 5,815,005.42 = 2,280,021.60 : x
  2. Step 2: Convert to fraction form
    4,213,803.72/5,815,005.42 = 2,280,021.60/x
  3. Step 3: Cross multiply
    4,213,803.72x = 5,815,005.42 × 2,280,021.60
  4. Step 4: Simplify right side
    4,213,803.72x = 13,258,337,961,717.07
  5. Step 5: Solve for x
    x = 13,258,337,961,717.07/4,213,803.72
  6. Step 6: Final answer
    x = 3,146,406.16

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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.