Home / 5,151,975.60-7,109,758.08-2,828,968.50

Finding the Fourth Proportional to 5,151,975.60, 7,109,758.08 and 2,828,968.50

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Solution

The fourth proportional to 5,151,975.60, 7,109,758.08 and 2,828,968.50 is: 3,903,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,975.60 : 7,109,758.08 = 2,828,968.50 : x
  2. Step 2: Convert to fraction form
    5,151,975.60/7,109,758.08 = 2,828,968.50/x
  3. Step 3: Cross multiply
    5,151,975.60x = 7,109,758.08 × 2,828,968.50
  4. Step 4: Simplify right side
    5,151,975.60x = 20,113,281,650,940.48
  5. Step 5: Solve for x
    x = 20,113,281,650,940.48/5,151,975.60
  6. Step 6: Final answer
    x = 3,903,993.97

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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.