Home / 2,915,982.40-4,373,973.60-2,738,689.60

Finding the Fourth Proportional to 2,915,982.40, 4,373,973.60 and 2,738,689.60

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Solution

The fourth proportional to 2,915,982.40, 4,373,973.60 and 2,738,689.60 is: 4,108,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,982.40 : 4,373,973.60 = 2,738,689.60 : x
  2. Step 2: Convert to fraction form
    2,915,982.40/4,373,973.60 = 2,738,689.60/x
  3. Step 3: Cross multiply
    2,915,982.40x = 4,373,973.60 × 2,738,689.60
  4. Step 4: Simplify right side
    2,915,982.40x = 11,978,956,008,994.56
  5. Step 5: Solve for x
    x = 11,978,956,008,994.56/2,915,982.40
  6. Step 6: Final answer
    x = 4,108,034.40

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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.