Home / 4,213,800.72-5,815,001.28-2,280,018.60

Finding the Fourth Proportional to 4,213,800.72, 5,815,001.28 and 2,280,018.60

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Solution

The fourth proportional to 4,213,800.72, 5,815,001.28 and 2,280,018.60 is: 3,146,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,800.72 : 5,815,001.28 = 2,280,018.60 : x
  2. Step 2: Convert to fraction form
    4,213,800.72/5,815,001.28 = 2,280,018.60/x
  3. Step 3: Cross multiply
    4,213,800.72x = 5,815,001.28 × 2,280,018.60
  4. Step 4: Simplify right side
    4,213,800.72x = 13,258,311,077,423.81
  5. Step 5: Solve for x
    x = 13,258,311,077,423.81/4,213,800.72
  6. Step 6: Final answer
    x = 3,146,402.02

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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.