Home / 5,107,624.64-7,048,576.32-2,815,867.40

Finding the Fourth Proportional to 5,107,624.64, 7,048,576.32 and 2,815,867.40

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Solution

The fourth proportional to 5,107,624.64, 7,048,576.32 and 2,815,867.40 is: 3,885,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,624.64 : 7,048,576.32 = 2,815,867.40 : x
  2. Step 2: Convert to fraction form
    5,107,624.64/7,048,576.32 = 2,815,867.40/x
  3. Step 3: Cross multiply
    5,107,624.64x = 7,048,576.32 × 2,815,867.40
  4. Step 4: Simplify right side
    5,107,624.64x = 19,847,856,275,899.97
  5. Step 5: Solve for x
    x = 19,847,856,275,899.97/5,107,624.64
  6. Step 6: Final answer
    x = 3,885,926.96

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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.