Home / 5,265,371.28-7,898,352.32-1,478,558.88

Finding the Fourth Proportional to 5,265,371.28, 7,898,352.32 and 1,478,558.88

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Solution

The fourth proportional to 5,265,371.28, 7,898,352.32 and 1,478,558.88 is: 2,217,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,371.28 : 7,898,352.32 = 1,478,558.88 : x
  2. Step 2: Convert to fraction form
    5,265,371.28/7,898,352.32 = 1,478,558.88/x
  3. Step 3: Cross multiply
    5,265,371.28x = 7,898,352.32 × 1,478,558.88
  4. Step 4: Simplify right side
    5,265,371.28x = 11,678,178,960,104.60
  5. Step 5: Solve for x
    x = 11,678,178,960,104.60/5,265,371.28
  6. Step 6: Final answer
    x = 2,217,921.27

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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.