Home / 5,112,929.28-7,055,990.14-2,821,237.60

Finding the Fourth Proportional to 5,112,929.28, 7,055,990.14 and 2,821,237.60

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Solution

The fourth proportional to 5,112,929.28, 7,055,990.14 and 2,821,237.60 is: 3,893,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,929.28 : 7,055,990.14 = 2,821,237.60 : x
  2. Step 2: Convert to fraction form
    5,112,929.28/7,055,990.14 = 2,821,237.60/x
  3. Step 3: Cross multiply
    5,112,929.28x = 7,055,990.14 × 2,821,237.60
  4. Step 4: Simplify right side
    5,112,929.28x = 19,906,624,688,197.27
  5. Step 5: Solve for x
    x = 19,906,624,688,197.27/5,112,929.28
  6. Step 6: Final answer
    x = 3,893,389.41

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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.