Home / 5,428,209.64-8,142,576.32-1,784,858.85

Finding the Fourth Proportional to 5,428,209.64, 8,142,576.32 and 1,784,858.85

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Solution

The fourth proportional to 5,428,209.64, 8,142,576.32 and 1,784,858.85 is: 2,677,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,209.64 : 8,142,576.32 = 1,784,858.85 : x
  2. Step 2: Convert to fraction form
    5,428,209.64/8,142,576.32 = 1,784,858.85/x
  3. Step 3: Cross multiply
    5,428,209.64x = 8,142,576.32 × 1,784,858.85
  4. Step 4: Simplify right side
    5,428,209.64x = 14,533,349,422,935.30
  5. Step 5: Solve for x
    x = 14,533,349,422,935.30/5,428,209.64
  6. Step 6: Final answer
    x = 2,677,374.38

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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.