Home / 2,130,028.46-2,939,436.72-1,259,177.02

Finding the Fourth Proportional to 2,130,028.46, 2,939,436.72 and 1,259,177.02

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Solution

The fourth proportional to 2,130,028.46, 2,939,436.72 and 1,259,177.02 is: 1,737,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,028.46 : 2,939,436.72 = 1,259,177.02 : x
  2. Step 2: Convert to fraction form
    2,130,028.46/2,939,436.72 = 1,259,177.02/x
  3. Step 3: Cross multiply
    2,130,028.46x = 2,939,436.72 × 1,259,177.02
  4. Step 4: Simplify right side
    2,130,028.46x = 3,701,271,169,568.18
  5. Step 5: Solve for x
    x = 3,701,271,169,568.18/2,130,028.46
  6. Step 6: Final answer
    x = 1,737,662.78

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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.