Home / 5,109,056.52-7,663,584.78-2,078,071.35

Finding the Fourth Proportional to 5,109,056.52, 7,663,584.78 and 2,078,071.35

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Solution

The fourth proportional to 5,109,056.52, 7,663,584.78 and 2,078,071.35 is: 3,117,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,056.52 : 7,663,584.78 = 2,078,071.35 : x
  2. Step 2: Convert to fraction form
    5,109,056.52/7,663,584.78 = 2,078,071.35/x
  3. Step 3: Cross multiply
    5,109,056.52x = 7,663,584.78 × 2,078,071.35
  4. Step 4: Simplify right side
    5,109,056.52x = 15,925,475,969,614.05
  5. Step 5: Solve for x
    x = 15,925,475,969,614.05/5,109,056.52
  6. Step 6: Final answer
    x = 3,117,107.03

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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.