Home / 5,100,481.36-7,038,663.60-2,808,636.40

Finding the Fourth Proportional to 5,100,481.36, 7,038,663.60 and 2,808,636.40

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Solution

The fourth proportional to 5,100,481.36, 7,038,663.60 and 2,808,636.40 is: 3,875,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,481.36 : 7,038,663.60 = 2,808,636.40 : x
  2. Step 2: Convert to fraction form
    5,100,481.36/7,038,663.60 = 2,808,636.40/x
  3. Step 3: Cross multiply
    5,100,481.36x = 7,038,663.60 × 2,808,636.40
  4. Step 4: Simplify right side
    5,100,481.36x = 19,769,046,794,315.04
  5. Step 5: Solve for x
    x = 19,769,046,794,315.04/5,100,481.36
  6. Step 6: Final answer
    x = 3,875,917.86

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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.