Home / 1,980,052.18-2,971,327.73-842,812.54

Finding the Fourth Proportional to 1,980,052.18, 2,971,327.73 and 842,812.54

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Solution

The fourth proportional to 1,980,052.18, 2,971,327.73 and 842,812.54 is: 1,264,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,052.18 : 2,971,327.73 = 842,812.54 : x
  2. Step 2: Convert to fraction form
    1,980,052.18/2,971,327.73 = 842,812.54/x
  3. Step 3: Cross multiply
    1,980,052.18x = 2,971,327.73 × 842,812.54
  4. Step 4: Simplify right side
    1,980,052.18x = 2,504,272,271,293.73
  5. Step 5: Solve for x
    x = 2,504,272,271,293.73/1,980,052.18
  6. Step 6: Final answer
    x = 1,264,750.64

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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.